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Yonel Z, Kocher T, Chapple I, Dietrich T, Völzke H, Nauck M, Collins G, Gray L, Holtfreter B. Development and External Validation of a Multivariable Prediction Model to Identify Nondiabetic Hyperglycemia and Undiagnosed Type 2 Diabetes: Diabetes Risk Assessment in Dentistry Score (DDS). J Dent Res 2023; 102:170-177. [PMID: 36254392 PMCID: PMC9893389 DOI: 10.1177/00220345221129807] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
The aim of this study was to develop and externally validate a score for use in dental settings to identify those at risk of undiagnosed nondiabetic hyperglycemia (NDH) or type 2 diabetes (T2D). The Studies of Health in Pomerania (SHIP) project comprises 2 representative population-based cohort studies conducted in northeast Germany. SHIP-TREND-0, 2008 to 2012 (the development data set) had 3,339 eligible participants, with 329 having undiagnosed NDH or T2D. Missing data were replaced using multiple imputation. Potential covariates were selected for inclusion in the model using backward elimination. Heuristic shrinkage was used to reduce overfitting, and the final model was adjusted for optimism. We report the full model and a simplified paper-based point-score system. External validation of the model and score employed an independent data set comprising 2,359 participants with 357 events. Predictive performance, discrimination, calibration, and clinical utility were assessed. The final model included age, sex, body mass index, smoking status, first-degree relative with diabetes, presence of a dental prosthesis, presence of mobile teeth, history of periodontal treatment, and probing pocket depths ≥5 mm as well as prespecified interaction terms. In SHIP-TREND-0, the model area under the curve (AUC) was 0.72 (95% confidence interval [CI] 0.69, 0.75), calibration in the large was -0.025. The point score AUC was 0.69 (95% CI 0.65, 0.72), with sensitivity of 77.0 (95% CI 76.8, 77.2), specificity of 51.5 (95% CI 51.4, 51.7), negative predictive value of 94.5 (95% CI 94.5, 94.6), and positive predictive value of 17.0 (95% CI 17.0, 17.1). External validation of the point score gave an AUC of 0.69 (95% CI 0.66, 0.71), sensitivity of 79.2 (95% CI 79.0, 79.4), specificity of 49.9 (95% CI 49.8, 50.00), negative predictive value 91.5 (95% CI 91.5, 91.6), and positive predictive value of 25.9 (95% CI 25.8, 26.0). A validated prediction model involving dental variables can identify NDH or undiagnosed T2DM. Further studies are required to validate the model for different European populations.
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Affiliation(s)
- Z. Yonel
- Periodontal Research Group, School of
Dentistry, College of Medical and Dental Science, University of Birmingham,
Edgbaston, Birmingham, UK
| | - T. Kocher
- Department of Restorative Dentistry,
Periodontology, Endodontology, and Preventive and Paediatric Dentistry, University
Medicine Greifswald, Greifswald, Germany
| | - I.L.C. Chapple
- Periodontal Research Group, School of
Dentistry, College of Medical and Dental Science, University of Birmingham,
Edgbaston, Birmingham, UK
| | - T. Dietrich
- Periodontal Research Group, School of
Dentistry, College of Medical and Dental Science, University of Birmingham,
Edgbaston, Birmingham, UK
| | - H. Völzke
- German Centre for Cardiovascular
Research (DZHK), Partner Site Greifswald, Greifswald, Germany
- Department of Study of Health in
Pomerania/Clinical-Epidemiological Research, Institute for Community Medicine,
University Medicine Greifswald, Greifswald, Germany
| | - M. Nauck
- German Centre for Cardiovascular
Research (DZHK), Partner Site Greifswald, Greifswald, Germany
- Institute for Laboratory Medicine and
Clinical Chemistry, University Medicine Greifswald, Greifswald, Germany
| | - G. Collins
- Centre for Statistics in Medicine,
University of Oxford, Oxford UK
| | - L.J. Gray
- Department of Health Sciences,
University of Leicester, University Road, Leicester, UK
| | - B. Holtfreter
- Department of Restorative Dentistry,
Periodontology, Endodontology, and Preventive and Paediatric Dentistry, University
Medicine Greifswald, Greifswald, Germany
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Yonel Z, Kuningas K, Sharma P, Dutton M, Jalal Z, Cockwell P, Webber J, Narendran P, Dietrich T, Chapple ILC. Concordance of three point of care testing devices with clinical chemistry laboratory standard assays and patient-reported outcomes of blood sampling methods. BMC Med Inform Decis Mak 2022; 22:248. [PMID: 36138408 PMCID: PMC9493167 DOI: 10.1186/s12911-022-01999-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 09/16/2022] [Indexed: 11/13/2022] Open
Abstract
Background Point of care testing (POCT) devices have been developed to facilitate immediate results with the potential to aid screening for new disease and enable patients to self-monitor their disease. Non-communicable diseases (NCDs) are the major cause of mortality globally and are increasing in prevalence as the population ages. Allied health care professionals (AHPs) are skilled in undertaking risk assessment and delivering preventative advice, providing opportunities to access large proportions of the population who may not visit their doctor, within non-traditional community settings. There is evidence of high levels of support from public, patients and health professionals for engaging AHPs in risk-targeted early case detection of certain NCDs. Thus, POCT devices offer a potential alternative to traditional venous blood collection, as novel care pathways for increasing early case detection and access to preventative care. The objectives of this study were to: (i) determine the concordance of the specific POCT devices with laboratory-based standard assays employed within clinical biochemistry laboratories. (ii) compare the sampling experience of both methods via patient-reported experiences. Methods A prospective, two-centre study was undertaken involving 158 participants who provided informed consent. Venous blood was collected for traditional assays of HbA1c, creatinine/ estimated Glomerular-Filtration-Rate (eGFR) and vitamin-D. Capillary blood was collected by finger prick test and also assayed for the same biochemical indices (Nova StatSensor (creatinine/eGFR); Siemens DCA-Vantage (HbA1C); CityAssays (vitamin-D)). All users were provided with device training. Participants reported any discomfort experienced by each simultaneously applied method (randomised in order) via a 100 mm Visual-Analogue-Scale. Results Results for each POCT device and the laboratory standard were analysed by Bland-Altman plots to determine assay concordance. POCT devices demonstrated good concordance with laboratory testing, with at least 95% of all samples being within two standard deviations, for each of the devices tested. The majority of participants reported less discomfort with POCT than venepuncture, with the average reported discomfort being 17/100 mm less for POCT compared to venous blood sample collection on the visual analogue scale. Conclusions The POCT devices demonstrated acceptable concordance with laboratory-based assays, and patients reported lower levels of discomfort compared to traditional means of blood collection. This study demonstrates the potential of using these devices as acceptable methods for opportunistic testing of “at-risk” individuals within non-traditional community care settings.
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Affiliation(s)
- Z Yonel
- The Periodontal Research Group, School of Dentistry, University of Birmingham, 5 Mill Pool Way, Birmingham, B5 7EG, UK.
| | - K Kuningas
- Department of Renal Medicine, University Hospitals Birmingham NHS Foundation Trust, Queen Elizabeth Hospital Birmingham, Mindelsohn Way, Edgbaston, Birmingham, B15 2GW, UK
| | - P Sharma
- The Periodontal Research Group, School of Dentistry, University of Birmingham, 5 Mill Pool Way, Birmingham, B5 7EG, UK
| | - M Dutton
- Department of Renal Medicine, University Hospitals Birmingham NHS Foundation Trust, Queen Elizabeth Hospital Birmingham, Mindelsohn Way, Edgbaston, Birmingham, B15 2GW, UK
| | - Z Jalal
- School of Pharmacy, University of Birmingham, Birmingham, UK
| | - P Cockwell
- Department of Renal Medicine, University Hospitals Birmingham NHS Foundation Trust, Queen Elizabeth Hospital Birmingham, Mindelsohn Way, Edgbaston, Birmingham, B15 2GW, UK
| | - J Webber
- Diabetes Unit, University Hospitals Birmingham NHS Foundation Trust, Queen Elizabeth Hospital Birmingham, Mindelsohn Way, Edgbaston, Birmingham, B15 2GW, UK
| | - P Narendran
- Diabetes Unit, University Hospitals Birmingham NHS Foundation Trust, Queen Elizabeth Hospital Birmingham, Mindelsohn Way, Edgbaston, Birmingham, B15 2GW, UK
| | - T Dietrich
- The Periodontal Research Group, School of Dentistry, University of Birmingham, 5 Mill Pool Way, Birmingham, B5 7EG, UK
| | - I L C Chapple
- The Periodontal Research Group, School of Dentistry, University of Birmingham, 5 Mill Pool Way, Birmingham, B5 7EG, UK
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Yonel Z, Cerullo E, Kröger AT, Gray LJ. Use of dental practices for the identification of adults with undiagnosed type 2 diabetes mellitus or non-diabetic hyperglycaemia: a systematic review. Diabet Med 2020; 37:1443-1453. [PMID: 32426909 DOI: 10.1111/dme.14324] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/13/2020] [Indexed: 12/14/2022]
Abstract
AIM Type 2 diabetes is a growing global challenge. Evidence exists demonstrating the use of primary care (non-hospital based) dental practices to identify, through risk assessments, those who may be at increased risk of type 2 diabetes or who may already unknowingly have the condition. This review aimed to synthesize evidence associated with the use of primary care dental services for the identification of undiagnosed non-diabetic hyperglycaemia or type 2 diabetes in adults, with particular focus on the pick-up rate of new cases. METHOD Electronic databases were searched for studies reporting the identification of non-diabetic hyperglycaemia/type 2 diabetes in primary care dental settings. Returned articles were screened and two independent reviewers completed the data-extraction process. A descriptive synthesis of the included articles was undertaken due to the heterogeneity of the literature returned. RESULTS Nine studies were identified, the majority of which utilized a two-stage risk-assessment process with risk score followed by a point-of-care capillary blood test. The main barriers cited were cost, lack of adequate insurance cover and people having previously been tested elsewhere. The pick-up rate of new cases of type 2 diabetes and non-diabetic hyperglycaemia varied greatly between studies, ranging from 1.7% to 24% for type 2 diabetes and from 23% to 45% for non-diabetic hyperglycaemia, where reported. CONCLUSION This review demonstrates that although it appears there may be benefit in using the dental workforce to identify undiagnosed cases of non-diabetic hyperglycaemia and type 2 diabetes, further high-quality research in the field is required assessing both the clinical and cost effectiveness of such practice. (Prospero Registration ID: PROSPERO 2018 CRD42018098750).
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Affiliation(s)
- Z Yonel
- University of Birmingham, Birmingham School of Dentistry, Birmingham, UK
| | - E Cerullo
- Department of Health Sciences, University of Leicester, Leicester, UK
| | - A T Kröger
- University of Birmingham, Birmingham School of Dentistry, Birmingham, UK
| | - L J Gray
- Department of Health Sciences, University of Leicester, Leicester, UK
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