Do we agree or disagree? A systematic review of the application of preference-based instruments in self and proxy reporting of quality of life in older people

Patient-reported experience measures for people living with dementia: A scoping review

The prevalence of dementia is increasing globally, with an estimated 139 million people expected to be living with dementia by 2050. Across numerous countries, substandard care for people with dementia is evident, with quality improvement needed. Recently, a focus on patient-reported experience measures (PREMs) has been utilised in healthcare services as a method of evaluating the care experiences provided and determining areas of improvement. The literature is scarce regarding the feasibility and acceptability of implementing PREMs with people with moderate to advanced dementia. This scoping review aimed to identify PREMs that have been used with vulnerable populations including people with cognitive impairment, mental health concerns, and children, outline dimensions included, and determine adaptions made to the PREMs to improve acceptability of the instruments for vulnerable populations. A database search of Medline was conducted to identify 36 studies including 32 PREMs. The PREMs identified covered a range of dimensions, most frequently care effectiveness, care environment, and patient involvement. The most common adaption to the PREMs was simplification of wording and sentence structure. Several measures conflated patient outcomes and patient satisfaction with patient experience, limiting utility for improving patient experience specifically. While several PREMs have been used with people with dementia, challenges in their implementation and their applicability to specific settings limit their use more broadly. Evidently, there is a need for development of a PREM for people with moderate to advanced dementia that is applicable across healthcare settings and is appropriately adapted for varying cognitive and communicative barriers.

Are quality of care instruments inclusive of older people living with dementia? A scoping review in long-term care settings

More than half of older people in long-term care facilities have dementia. Little is currently known about the methods and instruments which can be used to capture the perspectives of older people, including those with dementia, regarding the quality of care provided in such facilities. The main aims of this scoping review were two-fold. Firstly, to identify quality of care instruments that have been applied in long-term care settings. Secondly, to evaluate how these instruments have been developed and validated, particularly in terms of their applicability among older people with dementia. Seven databases (Medline, Web of Science, Scopus, ProQuest, Ageline, CINHAL and google scholar) were searched for relevant literature without any date limit. We used quality criteria adapted from COSMIN (Consensus-based Standards for the selection of health status Measurement Instruments) guidelines to assess the psychometric properties of the instruments. The search identified 16 quality of care instruments which had been used in long-term care settings. Of which, two (12.5%) were specifically designed for older people with dementia, and three instruments (18.7%) were modified for use with older people with mild to moderate dementia. A variety of methods were used to develop the identified instruments including literature reviews, qualitative interviews, expert panel reviews, pre-testing and piloting with older people. None of the identified instruments had been subjected to comprehensive psychometric assessment. Most instruments for assessing quality of care in long term care settings lack alternative communication techniques tailored to people with dementia. This review highlights the need for more rigorous psychometric testing of existing instruments for assessing quality of care in long-term care settings. Several existing measures show promise and may be taken forward for further testing and development for widespread application with older people, including those living with dementia, in long term care settings.

Further Evidence of Feasibility, Validity, and Reliability of Quality of Life-Aged Care Consumers: Evidence From Home-Based Care Settings

OBJECTIVES

The Quality of Life-Aged Care Consumers (QOL-ACC) is an aged-care-specific preference-based instrument currently being rolled out in residential care across Australia as part of the aged care Quality Indicator program. This study aimed to provide a comprehensive assessment of the feasibility, reliability, and construct validity of the QOL-ACC in a large national sample of older adults receiving aged care services at home.

METHODS

Older adults receiving in-home aged care services completed a survey including the QOL-ACC, Quality of Care Experience-ACC, adult social care outcome tool, EQ-5D-5L, and 2 global single item measures of health and quality of life. Feasibility was assessed by missing responses (≤5%) and ceiling/floor effects (≤15%). Construct validity was assessed by exploring the relationship between the QOL-ACC and other instruments (convergent validity) and its ability to discriminate varying levels of self-rated health and quality of life (known-group validity).

RESULTS

A total of 802 respondents (mean age, 74.5 ± 6.3 years; 56.0% females) completed the survey. The QOL-ACC had no missing responses, no floor effects, and very low ceiling effect (3.5%) and demonstrated moderate correlation with adult social care outcome tool (r = 0.59, P < .001), EQ-5D-5L (r = 0.65, P < .001), EQ-VAS (r = 0.53, P < .001), and a lower correlation with the QCE-ACC (r = 0.41, P < .001). Respondents with poor self-rated health and quality of life had significantly lower preference-weighted scores on the QOL-ACC.

CONCLUSIONS

The QOL-ACC demonstrated adequate feasibility, reliability, and construct validity in a large population of older people accessing government-subsidized aged care services at home. Further studies will explore the responsiveness of the QOL-ACC to aged-care-specific interventions both in home and residential aged care settings.

Agreement between patient- and proxy-reported outcome measures in adult musculoskeletal trauma and injury: a scoping review

PURPOSE

Patient-reported outcome measures (PROMs) are widely used in medicine. As older adults, who may rely on a proxy caregiver for answers due to cognitive impairment, are representing an increasing share of the traumatically injured patient population, proxy-reported outcome measures (proxROMs) offer a valuable alternative source of patient-centered information although its association with PROMs is unclear. The objective of this scoping review is to discuss all available literature comparing PROM and proxROMs in adult patients with musculoskeletal trauma to guide future research in this field.

METHODS

The PRISMA extension for Scoping Reviews was used to guide this review. MEDLINE, Embase, Web of Science, and the Cochrane Central Register of Controlled Trials were searched without date limit for articles comparing PROM and proxROMs in setting of musculoskeletal trauma. Abstract and full-text screening were performed by two independent reviewers. Variables included study details, patient and proxy characteristics, and reported findings on agreement between PROMs and proxROMs.

RESULTS

Of 574 unique records screened, 13 were included. Patient and proxy characteristics varied greatly, while patients' cognitive status and type of proxy perspective were poorly addressed. 18 different PROMs were evaluated, mostly reporting on physical functioning and disability (nine, 50%) or quality of life (six, 33%). Injury- and proxy-specific tools were rare, and psychometric properties of PROMs were often not described. Studies reported moderate to good agreement between PROMs and proxROMs. There is less agreement on subjective outcome measures (e.g., depression score) compared to observable items, and proxy bias results in in worse outcomes compared to patient self-reports.

CONCLUSION

Current literature, though limited, demonstrates moderate to good agreement between injured patients' self- and proxy-reports. Future studies should be mindful of current guidelines on proxy reporting when developing their studies and consider including neglected populations such as cognitively impaired patients to improve clinical validity.

Valuing quality of life for economic evaluations in cancer: navigating multiple methods

INTRODUCTION

Utility values offer a quantitative means to evaluate the impact of novel cancer treatments on patients' quality of life (QoL). However, the multiple methods available for valuing QoL present challenges in selecting the most appropriate method across different contexts.

AREAS COVERED

This review provides cancer clinicians and researchers with an overview of methods to value QoL for economic evaluations, including standalone and derived preference-based measures (PBMs) and direct preference elicitation methods. Recent developments are described, including the comparative performance of cancer-specific PBMs versus generic PBMs, measurement of outcomes beyond health-related QoL, and increased use of discrete choice experiments to elicit preferences. Recommendations and considerations are provided to guide the choice of method for cancer research.

EXPERT OPINION

We foresee continued adoption of the QLU-C10D and FACT-8D in cancer clinical trials given the extensive use of the EORTC QLQ-C30 and FACT-G in cancer research. While these cancer-specific PBMs offer the convenience of eliciting utility values without needing a standalone PBM, researchers should consider potential limitations if they intend to substitute them for generic PBMs. As the field advances, there is a greater need for consensus on the approach to selection and integration of various methods in cancer clinical trials.

Understanding the influence of different proxy perspectives in explaining the difference between self-rated and proxy-rated quality of life in people living with dementia: a systematic literature review and meta-analysis

PURPOSE

Proxy assessment can be elicited via the proxy-patient perspective (i.e., asking proxies to assess the patient's quality of life (QoL) as they think the patient would respond) or proxy-proxy perspective (i.e., asking proxies to provide their own perspective on the patient's QoL). This review aimed to identify the role of the proxy perspective in explaining the differences between self-rated and proxy-rated QoL in people living with dementia.

METHODS

A systematic literate review was conducted by sourcing articles from a previously published review, supplemented by an update of the review in four bibliographic databases. Peer-reviewed studies that reported both self-reported and proxy-reported mean QoL estimates using the same standardized QoL instrument, published in English, and focused on the QoL of people with dementia were included. A meta-analysis was conducted to synthesize the mean differences between self- and proxy-report across different proxy perspectives.

RESULTS

The review included 96 articles from which 635 observations were extracted. Most observations extracted used the proxy-proxy perspective (79%) compared with the proxy-patient perspective (10%); with 11% of the studies not stating the perspective. The QOL-AD was the most commonly used measure, followed by the EQ-5D and DEMQOL. The standardized mean difference (SMD) between the self- and proxy-report was lower for the proxy-patient perspective (SMD: 0.250; 95% CI 0.116; 0.384) compared to the proxy-proxy perspective (SMD: 0.532; 95% CI 0.456; 0.609).

CONCLUSION

Different proxy perspectives affect the ratings of QoL, whereby adopting a proxy-proxy QoL perspective has a higher inter-rater gap in comparison with the proxy-patient perspective.

Poststroke Communication Ability Predicts Patient-Informant Discrepancies in Reported Activities and Participation

BACKGROUND

Participation in life situations has been identified by people with aphasia (PWA) as an ultimate outcome of rehabilitation and is often measured with patient-reported outcome measures (PROMs) or informant-reported measures. It is known that PWA and informants do not always produce similar scores on measures of activities and participation. However, systematic differences between PWA and informants and the causes of these differences are not well understood. Here, we investigated these differences as a function of language impairment, perceived level of activity and participation success, and depressive symptoms.

METHOD

Participants were 29 PWA-informant dyads who completed a performance-based language assessment and three measures related to different aspects of activities and participation. Outcome variables were PWA-informant difference scores in the activities and participation measures.

RESULTS

PWA ratings of activities and participation were not statistically significantly associated with performance-based language severity. Hierarchical regression models with both language impairment and informant-reported scores as predictor variables explained 53%-71% of the variance in PWA-informant difference scores (all p < .05). In particular, mild communication challenges were associated with the PWA reporting significantly worse participation than the informant perceived. In contrast, more severe communication challenges were associated with the PWA reporting significantly better participation than the informant perceived.

DISCUSSION

These findings highlight the importance of measuring participation by PROM. The PWA's experience of participation is not related to their level of language impairment and is predictably different from their care partners' perspective. As others have also reported, "mild" aphasia is not so mild to the PWA. Similarly, "severe" may not be so severe to the PWA. Further research is needed to connect these findings with counseling and caregiver education. Research on response processes (e.g., response shift) is also warranted.

The relationship between self-reported sensory decline and cognitive frailty in older persons

This study aimed to explore the relationship between self-reported sensory decline, including poor hearing and vision, and cognitive frailty in older persons. This cross-sectional study analyzed data from the 2020 National Survey of Living Conditions and Welfare Needs of Older Koreans. Binomial logistic regression analysis was performed to analyze the relationship between self-reported sensory decline and cognitive frailty. Of 9,692 participants, 39.8 % experienced sensory decline. The prevalence of cognitive frailty was 15.7 % among participants with poor hearing, 6.9 % among those with poor vision, and 17.9 % among those with combined poor hearing and vision. In our model, adjusted for sociodemographic and health-related variables, the cognitive frailty was significantly associated with poor hearing alone and combined poor hearing and vision. The findings suggest that healthcare professionals should prioritize their attention to the risk of cognitive frailty in older adults experiencing poor hearing alone and combined with poor vision.

Measurement of Physical Activity Among Hospitalized Older Adults Living With Dementia

ABSTRACT

The purpose of this secondary data analysis was to describe physical activity and the factors associated with physical activity among older adults living with dementia on medical units in acute care settings. Measures included accelerometry data from the MotionWatch 8, behavioral and psychological symptoms associated with dementia, use of psychotropic medications, subjective reports of activities of daily living and other types of physical activity (e.g., walking to the bathroom, participating in therapy), delirium severity, and medications. The majority of the 204 participants were White (70%) and female (62%), with a mean age of 83 years. Over 24 hours of assessment, participants engaged in 15 ( SD = 46) minutes of vigorous activity, 43 ( SD = 54) minutes of moderate activity, 2 hours 50 ( SD = 2) minutes of low-level activity, and 20 ( SD = 3) hours of sedentary activity. Subjective walking activities, toileting, evidence of disinhibition, delirium severity, agitation, and use of psychotropic medications were associated with increased physical activity based on the MotionWatch 8. The findings provide information for rehabilitation nurses regarding factors associated with physical activity among patients with dementia admitted to acute care settings as well as some of the challenges associated with measurement of physical activity. Future research needs to continue to explore the impact of behavioral symptoms associated with dementia on physical activity and increase participation in activities that are functionally relevant.

Assessing social connection for long-term care home residents: A scoping review of measure content

INTRODUCTION

Social connection comprises distinct but interrelated aspects describing how individuals connect to each other. Various measures have assessed multiple aspects of social connection in long-term care (LTC) home populations, but they use inconsistent terminology, making it unclear what aspects are measured. This scoping review describes how social connection is assessed by measures that have been used in LTC home residents.

METHODS

This review followed the Preferred Reporting Items for Systematic reviews and Meta-Analyses extension for Scoping Reviews (PRISMA-ScR) guidelines. Two systematic literature searches combining search terms for social connection AND LTC home residents AND measurement properties were conducted in eight electronic databases from inception to April 2022. Included studies reported the development or psychometric testing of measures which assessed social connection in LTC home residents. A content analysis with a deductive-inductive approach was used to analyze the measures' content and an adapted Framework Method was used for data management. Findings report each measure's items and the assessed aspects of social connection. Dementia and non-dementia-specific measures had content, administration, and scoring compared.

RESULTS

From 8753 records, 58 studies reporting on 14 dementia-specific and 28 non-dementia-specific social connection measures were identified, including complete measures, subscales, and single items. These measures assessed social network (52.4%), social isolation (11.9%), social interaction (47.6%), social engagement (31.0%), social support (33.3%), social connectedness (21.4%), and loneliness (9.5%). A total of 27 (64.3%) of the measures included more than one aspect of social connection. Dementia-specific measures most often assessed social interaction whereas non-dementia-specific measures most often assessed social network, social interaction, and social support. Dementia-specific measures typically relied on a proxy response, whereas non-dementia-specific measures more often used self-report.

DISCUSSION

Existing social connection measures in LTC home settings operationalize seven aspects of social connection and differ according to the target population (dementia or non-dementia-specific). These findings will inform future measure selection and development.

Highlights

Social connection is important to long-term care (LTC) home residents' quality of life.Social connection has been assessed by quantifying/describing relationships.Existing measures usually assess more than one aspect of social connection.These aspects cover several interlinked observed or experienced domains.Dementia and non-dementia-specific measures differ in assessing social connection.

Association between GLIM-diagnosed malnutrition and quality of life in older patients with cancer

BACKGROUND

Older patients with cancer have a higher risk for malnutrition and impaired quality of life (QoL). The present study aimed to investigate the relationship between malnutrition diagnosed according to the Global Leadership Initiative Malnutrition (GLIM) criteria and QoL across various tumor types, and to evaluate the combined prognostic value of malnutrition and QoL in predicting survival among older patients with cancer.

METHODS

This multicenter, observational cohort study included 5310 older patients with cancer and 2184 with malnutrition (moderate stage, n = 1023; severe stage, n = 1161). An empirical cumulative distribution curve was performed to illustrate the correlation between malnutrition and QoL. The primary objective was to investigate the association between malnutrition and QoL using logistic regression analysis. Survival analyses were performed to assess the combined prognostic value of malnutrition and QoL.

RESULTS

The median age of the patients (66.9% male, 33.1% female) was 70 years (interquartile range [IQR] 67-74 years) years. The median QoL score was highest in patients without malnutrition (91.88 [IQR 84.44-97.44]), followed by those with moderate (86.15 [IQR 76.18-93.85) and severe (82.31 [IQR 69.87-91.11]) malnutrition. Logistics regression revealed that the risk for developing impaired QoL increased 1.98 (95% confidence interval [CI] 1.64-2.38; P < 0.001) and 2.33 (95% CI 1.93-2.81; P < 0.001) times in patients with moderate and severe malnutrition, respectively. Kaplan-Meier curves showed that QoL in combination with GLIM criteria demonstrated a significant discriminative performance for survival and served as an independent prognostic factor among older patients with cancer, especially for lung and gastric cancers.

CONCLUSIONS

Malnutrition diagnosed according to the GLIM criteria was a predictor of impaired QoL. Additionally, the combination of QoL and malnutrition demonstrated utility for predicting survival outcomes in older patients with cancer.

Using EQ-5D for Proxy Assessment of Health-Related Quality of Life in Residential Care Facilities: A Systematic Review of Feasibility and Psychometric Properties

OBJECTIVES

The accurate assessment of Health-Related Quality of Life (HRQoL) in residents of residential care facilities (RCF) necessitates the use of proxy-reported instruments that possess robust psychometric properties. Generally, these instruments are modified versions of self-reported tools, with adjustments made to pronouns and instructions to better suit the respondent. Among such tools, the EQ-5D has emerged as a prominent instrument for evaluating HRQoL within RCF settings. This review aimed to synthesize evidence on psychometric properties of the proxy version of EQ-5D.

DESIGN

Systematic review and meta-analysis.

SETTING AND PARTICIPANTS

Residents in RCF.

METHODS

An extensive search was conducted across 8 databases, covering articles from inception to May 29, 2023. We included a total of 20 articles reporting data that can be used to evaluate psychometric properties of this instrument in RCF. The quality appraisal employed the COSMIN Risk of Bias checklist, and data synthesis followed COSMIN methodology.

RESULTS

Most of the included studies were conducted in Europe, with 75% using nursing staff as proxies. Missing data rates were 5% for EQ-5D and 26% for EQ VAS. Evidence of moderate certainty on construct validity of the EQ-5D index was inconsistent, although the EQ VAS showed sufficient construct validity supported by high certainty. EQ-5D index responsiveness evidence was limited, characterized by low certainty and inconsistency. Proxy-resident agreement ranged from poor to moderate, and improved with repeated administration for the "mobility" and "usual activities" dimensions. The lowest agreement was observed when staff served as proxies or the proxy-proxy perspective was adopted.

CONCLUSIONS AND IMPLICATIONS

This review offers an overview of the psychometric properties of EQ-5D as a proxy HRQoL measure in RCF. The suboptimal evidence on psychometric properties of EQ-5D indicated the need for more validation studies and cautious use of the instrument in RCF.

Needs for Care, Service Use and Quality of Life in Dementia: 12-Month Follow-Up of the Actifcare Study in Portugal

INTRODUCTION

The intermediate stages of dementia are relatively under-researched, including in Portugal. The Actifcare (ACcess to TImely Formal Care) EU-JPND project studied people with mild-moderate dementia, namely their needs, access to and use of community services (e.g., day centers, home support). In our baseline assessment of the Portuguese Actifcare cohort, the unmet needs of some participants would call for formal support, which was not always accessible or used. We now report the main results of the 12-month follow-up, analyzing changes in needs, service (non)use, quality of life and related variables.

METHODS

This was a longitudinal, observational study using a convenience sample of 54 dyads of people with dementia and their family carers. Our main outcomes were the Camberwell Assessment of Need for the Elderly (CANE) and the Resources Utilization in Dementia. Clinical-functional, quality of life, psychological distress and caregiving-related assessments were also used.

RESULTS

At follow-up, the cognitive and functional status of people with dementia declined (p < 0.001), and their neuropsychiatric symptoms increased (p = 0.033). Considering CANE interviewers' ratings, the total needs of people with dementia increased at follow-up (p < 0.001) but not the unmet needs. Quality of life was overall stable. The use of formal care did not increase significantly, but informal care did in some domains. Carers' depressive symptoms increased (p = 0.030) and perseverance time decreased (p = 0.045). However, carers' psychological distress unmet needs were lower (p = 0.007), and their stress and quality of life remained stable.

CONCLUSION

People with dementia displayed complex biopsychosocial unmet needs. Their cognitive-functional decline over one year was not accompanied by a corresponding increase in any pattern of unmet need, nor of service use. Reliance on informal care (namely supervision) may have contributed to this. Caregiving-related outcomes evolved according to different trends, although stability was almost the rule. Primary carers were even more present at follow-up, without an apparently heavier toll on their own needs, burden, and quality of life. Overall, this longitudinal study comprehensively assessed Portuguese community-dwelling people with dementia. Despite the lack of generalizability, participants' needs remained overall stable and partly unmet over one year. Longer follow-up periods are needed to understand such complex processes.

Discrepancies between self- and proxy-rated quality of life in people living with dementia

INTRODUCTION

The aim of this study was to analyze discrepancies between self- and proxy-rated health-related quality of life (HRQoL), measured with the EuroQol 5 Dimension 5 Level survey (EQ-5D-5L), in people living with dementia (PlwD) and their caregivers on an individual response level.

METHODS

EQ-5D-5L, sociodemographic and clinical data were obtained from baseline data of n = 174 dyads of a cluster-randomized, controlled intervention trial. Self- and proxy-rated EQ-5D-5L health profiles were evaluated in terms of response distribution and agreement (weighted Kappa), and discrepancies in individual dimension level were analyzed using the Paretian Classification of Health Change (PCHC) as well as the presence and degree of inconsistencies between ratings.

RESULTS

PlwD had a mean age of 80.1, nearly the half were female and 82.3% were mildly to moderately cognitively impaired. PlwD reported a higher utility index than caregiver proxies (mean 0.75 vs. 0.68, 83% of PlwD > 0.5). According to the PCHC and inconsistency approach, 95% of PlwD rated their health differently compared to proxies; 66% with divergent responses in at least three EQ-5D-5L dimensions. Nine dyads (5%) showed identical ratings. Discrepancies of one higher or lower EQ-5D-5L response represented the most frequent discrepancy (35.4%). Caregivers were two times more likely to report "moderate problems," representing the middle of the 5-point Likert scale. Usual activities had the lowest agreement between ratings (weighted kappa = 0.23). In PlwD reporting no or some problems in EQ-5D-5L-dimensions, proxies were more likely to report more problems and vice versa, especially in the more observable dimension usual activities and less likely in the less observable domains pain/discomfort and anxiety/depression.

DISCUSSION

The central tendency bias observed in proxy-ratings could be associated with assessment uncertainties, resulting in an underestimation (overestimation) in PlwD reporting better (worse) health. This diverging trend extends the knowledge from previous studies and underlines the need for more methodological research in this area.

Highlights

People living with dementia (PlwD) rate their health differently than proxies.Proxy-ratings over- or underestimate PlwD health when self-ratings are low or high.Proxies indicate a possible central tendency bias.Further research is needed to understand influencing factors.

Examining interrater agreement between self-report and proxy-report responses for the quality of life-aged care consumers (QOL-ACC) instrument

BACKGROUND

Quality of life is an important quality indicator for health and aged care sectors. However, self-reporting of quality of life is not always possible given the relatively high prevalence of cognitive impairment amongst older people, hence proxy reporting is often utilised as the default option. Internationally, there is little evidence on the impact of proxy perspective on interrater agreement between self and proxy report.

OBJECTIVES

To assess the impacts of (i) cognition level and (ii) proxy perspective on interrater agreement using a utility instrument, the Quality of Life-Aged Care Consumers (QOL-ACC).

METHODS

A cross-sectional study was undertaken with aged care residents and family member proxies. Residents completed the self-report QOL-ACC, while proxies completed two proxy versions: proxy-proxy perspective (their own opinion), and proxy-person perspective (how they believe the resident would respond). Interrater agreement was assessed using quadratic weighted kappas for dimension-level data and concordance correlation coefficients and Bland-Altman plots for utility scores.

RESULTS

Sixty-three residents (22, no cognitive impairment; 41, mild-to-moderate cognitive impairment) and proxies participated. In the full sample and in the mild-to-moderate impairment group, the mean self-reported QOL-ACC utility score was significantly higher than the means reported by proxies, regardless of perspective (p < 0.01). Agreement with self-reported QOL-ACC utility scores was higher when proxies adopted a proxy-person perspective.

CONCLUSION

Regardless of cognition level and proxy perspective, proxies tend to rate quality of life lower than residents. Further research is needed to explore the impact of such divergences for quality assessment and economic evaluation in aged care.

Comprehensive evaluation of serum hepatic proteins in predicting prognosis among cancer patients with cachexia: an observational cohort study

BACKGROUND

Hepatic proteins, including albumin, prealbumin, and transferrin have been confirmed to be prognostic predictors in various cancers. This study aimed to comprehensively assess the prognostic value of these three serum markers in patients with cancer cachexia.

METHODS

This multicenter prospective cohort study included 1303 cancer cachexia patients, among whom 592 deaths occurred during a median follow-up of 20.23 months. The definition of cachexia was based on the 2011 international consensus. Concordance index (C-index) and receiver operating characteristic (ROC) curves were applied to compare the prognostic performance. The primary outcome was overall survival, which was calculated using the Kaplan-Meier method generated by log-rank test. A Cox proportional hazard regression model was used to identify independent predictors associated with survival. The secondary outcomes included 90-days mortality and quality of life (QoL).

RESULTS

C-index and ROC curves showed that albumin had the most accurate predictive capacity for survival, followed by transferrin and prealbumin. Multivariate Cox analysis confirmed that low albumin (hazard ratio [HR] = 1.51, 95% confidence interval [95%CI] = 1.28-1.80, P < 0.001), prealbumin (HR = 1.42, 95%CI = 1.19-1.69, P < 0.001), and transferrin (HR = 1.50, 95%CI = 1.25-1.80, P < 0.001) were independent risk factors for long-term survival in cancer patients with cachexia. In subgroup analysis, the prognostic value of low albumin was significant in patients with upper gastrointestinal, hepatobiliary and pancreatic, and colorectal cancers; low prealbumin was significant in colorectal cancer; and low transferrin was significant in patients with upper gastrointestinal and colorectal cancer. All three hepatic proteins were valuable as prognostic predictors for patients with advanced (Stage III and IV) cancer with cachexia. The risks of 90-days mortality and impaired QoL were higher in cachexia patients with low albumin, prealbumin, and transferrin levels.

CONCLUSION

Low albumin, prealbumin, and transferrin levels were all independent prognostic factors affecting patients with cancer cachexia, especially in patients in the advanced stages. These results highlight the value of routinely checking serum hepatic proteins in clinical practice to predict the prognosis of patients with cancer cachexia.

Unravelling the Self-Report Versus Proxy-Report Conundrum for Older Aged Care Residents: Findings from a Mixed-Methods Study

OBJECTIVES

No guidance currently exists as to the cognition threshold beyond which self-reported quality of life for older people with cognitive impairment and dementia is unreliable.

METHODS

Older aged care residents (≥ 65 years) were randomly assigned to complete the EQ-5D-5L in computer-based (eye movements were tracked) or hard copy (participants were encouraged to 'think aloud') format. Cognition was assessed using the Mini-Mental State Examination (MMSE). Think aloud and eye tracking data were analysed by two raters, blinded to MMSE scores. At the participant level, predefined criteria were used to assign traffic light grades (green, amber, red). These grades indicate the extent to which extracted data elements provided evidence of self-report reliability. The MMSE-defined cognition threshold was determined following review of the distributions of assigned traffic light grades.

RESULTS

Eighty-one residents participated and provided complete data (38 eye tracking, 43 think aloud). In the think aloud cohort, all participants with an MMSE score ≤ 23 (n = 10) received an amber or red grade, while 64% of participants with an MMSE score ≥ 24 (21 of 33) received green grades. In the eye tracking cohort, 68% of participants with an MMSE score ≥ 24 (15 of 22) received green grades. Of the 16 eye tracking participants with an MMSE score ≤ 23, 14 (88%) received an amber or red grade.

CONCLUSIONS

Most older residents with an MMSE score ≥ 24 have sufficient cognitive capacity to self-complete the EQ-5D-5L. More research is needed to better understand self-completion reliability for other quality-of-life instruments in cognitively impaired populations.

A scoping review of the use of visual tools and adapted easy-read approaches in Quality-of-Life instruments for adults

PURPOSE

Self-Reporting using traditional text-based Quality-of-Life (QoL) instruments can be difficult for people living with sensory impairments, communication challenges or changes to their cognitive capacity. Adapted communication techniques, such as Easy-Read techniques, or use of pictures could remove barriers to participation for a wide range of people. This review aimed to identify published studies reporting adapted communication approaches for measuring QoL, the methodology used in their development and validation among adult populations.

METHODS

A scoping review of the literature using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) extension for scoping reviews checklist was undertaken.

RESULTS

The initial search strategy identified 13,275 articles for screening, with 264 articles identified for full text review. Of these 243 articles were excluded resulting in 21 studies for inclusion. The majority focused on the development of an instrument (12 studies) or a combination of development with some aspect of validation or psychometric testing (7 studies). Nineteen different instruments were identified by the review, thirteen were developed from previously developed generic or condition-specific quality of life instruments, predominantly aphasia (7 studies) and disability (4 studies). Most modified instruments included adaptations to both the original questions, as well as the response categories.

CONCLUSIONS

Studies identified in this scoping review demonstrate that several methods have been successfully applied e.g. with people living with aphasia post-stroke and people living with a disability, which potentially could be adapted for application with more diverse populations. A cohesive and interdisciplinary approach to the development and validation of communication accessible versions of QOL instruments, is needed to support widespread application, thereby reducing reliance on proxy assessors and promoting self-assessment of QOL across multiple consumer groups and sectors.

Child-Parent Agreement in the Assessment of Health-Related Quality of Life Using the CHU9D and the PedsQLTM

OBJECTIVE

This study examined the inter-rater agreement between child-self and parental proxy health-related quality of life (HRQoL) ratings (overall and domain level) using two different generic child-specific measures, the Child Health Utility 9D (CHU9D) and the Pediatric Quality of Life Inventory (PedsQLTM), in a community-based sample of Australian children. A secondary objective was to investigate the impact of age on child-parent agreement across the dimensions of the two measures.

METHODS

A total of 85 child-parent dyads (children aged 6-12 years) recruited from the community completed the self and proxy versions of the CHU9D and the PedsQLTM, respectively. The inter-rater agreement was estimated using Concordance Correlation Coefficients (CCC) and Gwet's Agreement Coefficient (AC1) for the overall sample and across age-groups.

RESULTS

Agreement was low for overall HRQoL for both the CHU9D (CCC = 0.28) and the PedsQLTM (CCC = 0.39). Across the CHU9D dimensions, agreement was the highest for 'sad' (AC1 = 0.83) and lowest for 'tired' (AC1 = 0.31). The PedsQLTM demonstrated stronger agreement (AC1 = 0.41-0.6) for the physical health dimension but weaker for the psychosocial dimensions (AC1 < 0.4). Except for the 'tired' dimension, agreement was consistent across age-groups with the CHU9D, whilst the PedsQLTM showed poor agreement for most of the psychosocial health items among the older age-groups only (8-10 and 11-12 years).

CONCLUSION

This study highlights that the agreement between child and parent proxy reported HRQoL may be influenced by both the measure used and the age of the child. These findings may have implications for the economic evaluation of healthcare interventions and services in child populations when both child and proxy perspectives are considered in the assessment of child HRQoL.

How do older adults receiving aged care services understand and respond to the EQ-5D-5L? A think-aloud study in residential care

PURPOSE

The EQ-5D-5L is a preference-based instrument for measuring and valuing health-related quality of life (HRQoL). The EQ-5D-5L has been used extensively in economic evaluation, including in aged care. However, older adults' understanding of the EQ-5D-5L has not been comprehensively investigated to date. This research aimed to assess older adults' understanding of the EQ-5D-5L using a think-aloud protocol with two cognition groups: no cognitive impairment and mild/moderate cognitive impairment.

METHODS

Participants' cognition was assessed using the Standardised Mini-Mental State Examination (SMMSE). Face-to face interviews were conducted with concurrent and retrospective think-aloud encouraged through verbal probing. Audio recordings were transcribed, and qualitative analysis, informed by the Tourangeau four-stage Response Model (comprehension, retrieval, decision process, response process) was conducted in NVivo.

RESULTS

In total, 46 older adults (age 65 +) were recruited from 10 residential care facilities across South Australia (n = 25 no cognitive impairment, n = 21 mild/moderate cognitive impairment). Comprehension, retrieval, judgement and response mapping issues were common across all cognition levels and EQ-5D-5L dimensions. The two dimensions resulting in the most response issues were usual activities and personal care.

CONCLUSION

Older adults may bring a different understanding to the EQ-5D-5L descriptive system than that expected given testing with general population samples. Dimension descriptors that are more relevant to this population may facilitate responses that better align with the underlying EQ-5D-5L concept model.

Adaptation and multicentre validation of a patient-centred outcome scale for people severely ill with COVID (IPOS-COV)

BACKGROUND

Patient-centred measures to capture symptoms and concerns have rarely been reported in severe COVID. We adapted and tested the measurement properties of the proxy version of the Integrated Palliative care Outcome Scale-IPOS-COV for severe COVID using psychometric approach.

METHODS

We consulted experts and followed consensus-based standards for the selection of health status measurement instruments and United States Food and Drug Administration guidance for adaptation and analysis. Exploratory Factor Analysis and clinical perspective informed subscales. We tested the internal consistency reliability, calculated item total correlations, examined re-test reliability in stable patients, and also evaluated inter-rater reproducibility. We examined convergent and divergent validity of IPOS-COV with the Australia-modified Karnofsky Performance Scale and evaluated known-groups validity. Ability to detect change was examined.

RESULTS

In the adaptation phase, 6 new items were added, 7 items were removed from the original measure. The recall period was revised to be the last 12-24 h to capture fast deterioration in COVID. General format and response options of the original Integrated Palliative care Outcome Scale were preserved. Data from 572 patients with COVID from across England and Wales seen by palliative care services were included. Four subscales were supported by the 4-factor solution explaining 53.5% of total variance. Breathlessness-Agitation and Gastro-intestinal subscales demonstrated good reliability with high to moderate (a = 0.70 and a = 0.67) internal consistency, and item-total correlations (0.62-0.21). All except the Flu subscale discriminated well between patients with differing disease severity. Inter-rater reliability was fair with ICC of 0.40 (0.3-0.5, 95% CI, n = 324). Correlations between the subscales and AKPS as predicted were weak (r = 0.13-0.26) but significant (p < 0.01). Breathlessness-Agitation and Drowsiness-Delirium subscales demonstrated good divergent validity. Patients with low oxygen saturation had higher mean Breathlessness-Agitation scores (M = 5.3) than those with normal levels (M = 3.4), t = 6.4 (186), p < 0.001. Change in Drowsiness-Delirium subscale correctly classified patients who died.

CONCLUSIONS

IPOS-COV is the first patient-centred measure adapted for severe COVID to support timely management. Future studies could further evaluate its responsiveness and clinical utility with clinimetric approaches.

A person-centered approach to home and community-based services outcome measurement

In the United States, over 2.5 million people with disabilities are recipients of supports through the Center for Medicare and Medicaid Services (CMS) Home and Community-Based Services (HCBS) program. Recent decades have seen a growing focus on providing HCBS in a person-centered manner thereby supporting outcomes that are both important for and to the person. HCBS outcome measurement, however, has not kept pace with advancements in person-centered thinking as it relates to providing supports to people with disabilities. The concept of person-centered outcome measurement has been inadequately defined and is frequently misunderstood including by those in the measurement field. The authors first operationally define person-centered measurement and establish its importance within the context of HCBS and the recent CMS's Final Settings Rule. The important role that person-centered measurement has to play in quality improvement efforts in this area is then explored. A discussion is subsequently provided as to the challenges that are faced in person-centered measurement specific to the disability field. In addition to further conceptualizing and defining this form of measurement, recommendations are provided for moving the field forward.

What Quality-of-Life Dimensions Are Most Important to Older Adults from Culturally and Linguistically Diverse Backgrounds Receiving Aged Care Services? An Exploratory Study

There is little research on what aspects of quality of life (QoL) are most important to culturally and linguistically diverse (CALD) older adults. This study aimed to identify what QoL dimensions were most important to CALD older adults receiving aged care services, and therefore, how relevant a new six dimensions QoL instrument developed for use in aged care is to this population. A three-stage, mixed-methods study was undertaken. Stage 1: n = 3 focus groups with aged care providers. Stage 2: n = 30 semi-structured interviews with Italian-born older adults in ethno-specific residential aged care. Stage 3: survey of n = 63 older adults from mixed CALD backgrounds receiving community aged care services. Overall, older adults asserted the importance of the six dimensions of the new QoL instrument. The importance of 'identity' and 'purpose and meaning' were identified via the focus groups; however, the community-based CALD older adults identified these aspects of quality of life as more important than older Italians in residential care. Being in ethno-specific residential aged care where needs relating to language, food, and religion were met and they continued to live with others from their community may have meant that the meeting of cultural needs was more taken for granted.

Quality of Life and the Experience of Living with Early-Stage Alzheimer’s Disease

Background: There is a need to better understand the experience of patients living with Alzheimer's disease (AD) in the early stages. Objective: The aim of the study was to evaluate the perception of quality of life in patients with early-stage AD. Methods: A multicenter, non-interventional study was conducted including patients of 50–90 years of age with prodromal or mild AD, a Mini-Mental State Examination (MMSE) score ≥22, and a Clinical Dementia Rating-Global score (CDR-GS) of 0.5.–1.0. The Quality of Life in Alzheimer ’s Disease (QoL-AD) questionnaire was used to assess health-related quality of life. A battery of self-report instruments was used to evaluate different psychological and behavioral domains. Associations between the QoL-AD and other outcome measures were analyzed using Spearman’s rank correlations. Results: A total of 149 patients were included. Mean age (SD) was 72.3 (7.0) years and mean disease duration was 1.4 (1.8) years. Mean MMSE score was 24.6 (2.1). The mean QoL-AD score was 37.9 (4.5). Eighty-three percent (n = 124) of patients had moderate-to-severe hopelessness, 22.1% (n = 33) had depressive symptoms, and 36.9% (n = 55) felt stigmatized. The quality of life showed a significant positive correlation with self-efficacy and negative correlations with depression, emotional and practical consequences, stigma, and hopelessness. Conclusion: Stigma, depressive symptoms, and hopelessness are frequent scenarios in AD negatively impacting quality of life, even in a population with short disease duration and minimal cognitive impairment.