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An audit of COVID-19 death reporting in counties Cork and Kerry, Ireland, winter 2021-2022. Ir J Med Sci 2023; 192:1589-1594. [PMID: 36383325 PMCID: PMC9666975 DOI: 10.1007/s11845-022-03211-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Accepted: 11/04/2022] [Indexed: 11/17/2022]
Abstract
BACKGROUND In Ireland, a 'COVID-19 death' is defined as any death in which the decedent was COVID-19 positive and had no clear alternative cause of death unrelated to COVID-19, a definition based on World Health Organization guidance. AIMS The objectives of this audit were to determine the proportion of COVID-19 deaths notified in the Cork/Kerry region of Ireland during winter 2021-2022 which adhered to this national definition, and to determine whether COVID-19 was deemed to be the primary cause of death, or a contributory or incidental factor. METHODS A review of all deaths in individuals who were COVID-19 positive at the time of death notified to the Department of Public Health for Cork and Kerry between 22 November 2021 and 31 January 2022 was conducted to determine whether each death adhered to the national COVID-19 death definition. The clinical opinion on cause of death was obtained by contacting decedents' clinicians. RESULTS Sixty deaths in individuals who were COVID-19 positive at the time of death were notified to the Department in the study period. Of deaths notified as being due to COVID-19, COVID-19 was deemed the primary cause of death, a contributory factor or an incidental factor in 72.7%, 21.8%, and 5.5% of cases, respectively. Most (93.3%) notified deaths adhered to the national COVID-19 death definition. CONCLUSIONS The COVID-19 death definition in Ireland may require revision so it can distinguish between deaths caused by COVID-19 and those in which COVID-19 played a less direct role. The current COVID-19 mortality reporting system may also need updating to capture more clinical nuance.
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A large outbreak of the Kappa mutation of COVID-19 in Cork, Ireland, April-May 2021. Ir J Med Sci 2023; 192:1573-1579. [PMID: 36369600 PMCID: PMC9651878 DOI: 10.1007/s11845-022-03212-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 11/04/2022] [Indexed: 11/13/2022]
Abstract
BACKGROUND In May 2021, the B.1.617 variant of SARS-CoV-2 emerged in Ireland, and both Delta and Kappa sub-lineages were initially deemed variants of concern (VOCs) on a precautionary basis. We describe a large outbreak of SARS-CoV-2 B.1.617.1 (Kappa mutation) linked to a private gathering among third level students in Cork, Ireland. METHODS Surveillance data were available from the Health Service Executive COVID Care Tracker. The epidemiological sequence of infection for each new case in this outbreak was tracked and whole genome sequencing was requested on all linked cases. Enhanced public health control measures were implemented by the Department of Public Health HSE-South to contain onward spread of VOCs, including retrospective contact tracing, lengthy isolation and quarantine periods for cases and close contacts. Extensive surveillance efforts were used to describe and control onward transmission. RESULTS There were 146 confirmed SARS-CoV-2 cases linked to the outbreak. All sequenced cases (53/146; 36%) confirmed Kappa mutation. The median age was 21 years (range 17-65). The majority (88%) had symptoms of SARS-CoV-2 infection. There were 407 close contacts; the median was 3 per case (range 0-14). There were no known hospitalisations, ICU admissions or deaths. Vaccination data was unavailable, but the outbreak pre-dated routine availability of COVID-19 vaccines among younger adults in Ireland. CONCLUSION Enhanced public health control measures for new and emerging variants of SARS-CoV-2 may be burdensome for cases and close contacts. The overall public health benefit of enhanced controls may only become apparent when evidence on disease transmissibility and severity becomes more complete.
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Cross-sectional survey of compliance behaviour, knowledge and attitudes among cases and close contacts during COVID-19 pandemic. PUBLIC HEALTH IN PRACTICE 2023; 5:100370. [PMID: 36817733 PMCID: PMC9930406 DOI: 10.1016/j.puhip.2023.100370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 02/09/2023] [Accepted: 02/10/2023] [Indexed: 02/17/2023] Open
Abstract
Objectives A key public health intervention is self-isolation for cases and restriction of movement for contacts. This study aimed to identify predictors of compliance behaviour and describe knowledge and attitudes among cases and contacts identified by the national Contact Management Programme to inform the global public health response. Study design Secondary data analysis of anonymised cross-sectional survey data on national sample of cases and close contacts. Methods A sample of 1000 cases and 1000 contacts was calculated to estimate compliance within a margin of error of 3% with 95% confidence. A telephone survey administered by trained interviewers collected information on socio-demographics, compliance behaviours, knowledge, and attitudes to COVID-19 from cases and close contacts. Data analysis included chi-squared statistics and multivariable logistic regression. Results Most cases and contacts complied with public health guidance with similar characteristics in those who did and did not comply. Reasons for non-compliance included exercise, medical appointment, shopping, and work. Cases and contacts reported high levels of understanding about symptoms of COVID-19 and satisfaction with available information. Conclusion Achieving high compliance with public health guidance is feasible and requires political leadership, policy changes and practical solutions.
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Limited transmission of SARS-CoV-2 in schools in Ireland during the 2020-2021 school year. Euro Surveill 2023; 28. [PMID: 37052681 PMCID: PMC10103549 DOI: 10.2807/1560-7917.es.2023.28.15.2200554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/14/2023] Open
Abstract
BackgroundThe role of schools in SARS-CoV-2 transmission has been a debated topic since the beginning of the COVID-19 pandemic.AimTo examine SARS-CoV-2 transmission in all schools in Ireland during the 2020-21 school year.MethodsIn a national descriptive cross-sectional study, we investigated PCR-confirmed cases of COVID-19 among students (aged < 20 years) and staff (aged ≥ 20 years) who attended school during their infectious period to identify school close contacts. SARS-CoV-2 PCR test results of all school close contacts were pooled to obtain an overall positivity rate and to stratify positivity rate by school setting and role (i.e. student or staff).ResultsIn total, 100,474 individuals were tested as close contacts in 1,771 schools during the 2020-21 school year. An overall close contact positivity rate of 2.4% was observed across all schools (n = 2,373 secondary cases). The highest positivity rate was seen in special schools (3.4%), followed by primary (2.5%) and post-primary schools (1.8%) (p < 0.001). Of the close contacts identified, 90.5% (n = 90,953) were students and 9.5% (n = 9,521) were staff. Overall, students had a significantly higher positivity rate than staff (2.4% vs 1.8%, p < 0.001).ConclusionThis study demonstrated that a low level of SARS-CoV-2 transmission occurred in Irish schools during the 2020-21 academic year. In the event of future pandemics, and as the COVID-19 pandemic continues, there is a need to carefully weigh up the harms and benefits associated with disrupted education to mitigate infectious disease transmission before reflexively closing classes or schools.
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Practicalities and Yield from Mass Swabbing for COVID-19 in Residential Care Facilities in the South of Ireland. J Aging Soc Policy 2022:1-8. [PMID: 35998210 DOI: 10.1080/08959420.2022.2110801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 03/16/2022] [Indexed: 10/15/2022]
Abstract
Over 19,000 residents and health-care workers in 315 RCFs were swabbed in a once - off mass swabbing of residents and staff in residential care facilities (RCFs) in the Cork/Kerry region in Ireland in April and May 2020. This exercise was in response to epidemiological evidence demonstrating increasing community transmission of COVID-19 and emerging evidence of the vulnerability of older persons, particularly those with underlying medical conditions. The effectiveness of such strategies is uncertain and may depend on both the positive case yield and efficiency of testing turn-around to ensure that timely control measures are put in place. The overall positivity rate was 0.88% (n = 172). Mass swabbing allowed early identification of some new cases and outbreaks in RCFs. This facilitated early public health interventions to protect the most vulnerable members of society.
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Abstract
BackgroundRobust data on SARS-CoV-2 population seroprevalence supplement surveillance data in providing evidence for public health action.AimTo conduct a SARS-CoV-2 population-based seroprevalence survey in Ireland.MethodsUsing a cross-sectional study design, we selected population samples from individuals aged 12-69 years in counties Dublin and Sligo using the Health Service Executive Primary Care Reimbursement Service database as a sampling frame. Samples were selected with probability proportional to the general population age-sex distribution, and by simple random sampling within age-sex strata. Antibodies to SARS-CoV-2 were detected using the Abbott Architect SARS-CoV-2 IgG Assay and confirmed using the Wantai Assay. We estimated the population SARS-CoV-2 seroprevalence weighted for age, sex and geographic area.ResultsParticipation rates were 30% (913/3,043) and 44% (820/1,863) in Dublin and Sligo. Thirty-three specimens had detectable SARS-CoV-2 antibodies (1.9%). We estimated weighted seroprevalences of 3.12% (95% confidence interval (CI): 2.05-4.53) and 0.58% (95% CI: 0.18-1.38) for Dublin and Sligo, and 1.69% (95% CI: 1.13-2.41) nationally. This equates to an estimated 59,482 (95% CI: 39,772-85,176) people aged 12-69 years nationally having had infection with SARS-CoV-2, 3.0 (95% CI: 2.0-4.3) times higher than confirmed notifications. Ten participants reported a previous laboratory-confirmed SARS-CoV-2 -infection; eight of these were antibody-positive. Twenty-five antibody-positive participants had not reported previous laboratory-confirmed infection.ConclusionThe majority of people in Ireland are unlikely to have been infected with SARS-CoV-2 by June-July 2020. Non-pharmaceutical public health measures remained key pending widespread availability of vaccination, and effective treatments.
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Children are safe in schools: a review of the Irish experience of reopening schools during the COVID-19 pandemic. Public Health 2021; 195:158-160. [PMID: 34130002 PMCID: PMC8547945 DOI: 10.1016/j.puhe.2021.04.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 04/08/2021] [Indexed: 11/27/2022]
Abstract
Objectives Schools in the Republic of Ireland reopened to students and staff in late August 2020. We sought to determine the test positivity rate of close contacts of cases of coronavirus disease 2019 (COVID-19) in schools during the first half-term of the 2020/2021 academic year. Methods National-level data from the schools' testing pathway were interrogated to determine the positivity rate of close contacts of cases of COVID-19 in Irish primary, postprimary and special schools during the first half-term of 2020/2021 academic year. The positivity rates among adult and child close contacts were compared and the proportion of national cases of COVID-19 who were aged 4–18 years during the observation period was calculated to assess whether this proportion increased after schools reopened. Results Of all, 15,533 adult and child close contacts were tested for COVID-19 through the schools' testing pathway during the first half-term of the 2020/2021 academic year. Three hundred and ninety-nine close contacts tested positive, indicating a positivity rate of 2.6% (95% confidence interval: 2.3–2.8%). The positivity rates of child and adult close contacts were similarly low (2.6% vs 2.7%, P = 0.7). The proportion of all national cases of COVID-19 who were aged 4–18 years did not increase during the first half-term of the 2020/2021 school year. Conclusions The low positivity rate of close contacts of cases of COVID-19 in schools indicate that transmission of COVID-19 in Irish schools during the first half-term of the 2020/2021 academic year was low. These findings support policies to keep schools open during the pandemic.
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Abstract
An outbreak of 59 cases of coronavirus disease (COVID-19) originated with 13 cases linked by a 7 h, 17% occupancy flight into Ireland, summer 2020. The flight-associated attack rate was 9.8-17.8%. Spread to 46 non-flight cases occurred country-wide. Asymptomatic/pre-symptomatic transmission in-flight from a point source is implicated by 99% homology across the virus genome in five cases travelling from three different continents. Restriction of movement on arrival and robust contact tracing can limit propagation post-flight.
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Investigation of a foodborne outbreak of Shigella sonnei in Ireland and Northern Ireland, December 2016: the benefits of cross-border collaboration and commercial sales data. Public Health 2020; 182:19-25. [PMID: 32120067 DOI: 10.1016/j.puhe.2020.01.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 12/11/2019] [Accepted: 01/09/2020] [Indexed: 11/16/2022]
Abstract
OBJECTIVES To describe a cross-border foodborne outbreak of Shigella sonnei that occurred in Ireland and Northern Ireland (NI) in December 2016 whilst also highlighting the valuable roles of sales data and international collaboration in the investigation and control of this outbreak. STUDY DESIGN A cross-border outbreak control team was established to investigate the outbreak. METHODS Epidemiological, microbiological, and environmental investigations were undertaken. Traditional analytical epidemiological studies were not feasible in this investigation. The restaurant chain provided sales data, which allowed assessment of a possible increased risk of illness associated with exposure to a particular type of heated food product (product A). RESULTS Confirmed cases demonstrated sole trimethoprim resistance: an atypical antibiogram for Shigella isolates in Ireland. Early communication and the sharing of information within the outbreak control team facilitated the early detection of the international dimension of this outbreak. A joint international alert using the European Centre for Disease Control's confidential Epidemic Intelligence Information System for Food- and Waterborne Diseases and Zoonoses (EPIS-FWD) did not reveal further cases outside of the island of Ireland. The outbreak investigation identified that nine of thirteen primary case individuals had consumed product A from one of multiple branches of a restaurant chain located throughout the island of Ireland. Product A was made specifically for this chain in a food production facility in NI. S. sonnei was not detected in food samples from the food production facility. Strong statistical associations were observed between visiting a branch of this restaurant chain between 5 and 9 December 2016 and eating product A and developing shigellosis. CONCLUSIONS This outbreak investigation highlights the importance of international collaboration in the efficient identification of cross-border foodborne outbreaks and the value of using sales data as the analytical component of such studies.
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A Cluster of Hepatitis A Viral Infection in HSE South. IRISH MEDICAL JOURNAL 2017; 110:587. [PMID: 28952677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Hepatitis A is an acute viral infection of the liver that produces clinical features ranging from asymptomatic infection to fulminant hepatitis1. The authors report a cluster of 5 serologically-confirmed cases of acute Hepatitis A Virus (HAV), all serum IgM positive for HAV Genotype 1A. This is on a background of only 2 other cases notified to HSE-South in 2016 to date, both travel related. There was a considerable delay in notification in two out of 5 cases. This case report highlights the importance of prompt notification of Hepatitis A, as timely notification would have facilitated prompt contact vaccination and might well have prevented illness in two subsequent household contacts.
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The investigation of acute gastroenteritis in general practice: A survey of general practitioners in Northern Ireland and Republic of Ireland. Eur J Gen Pract 2010; 11:136-8. [PMID: 16671321 DOI: 10.3109/13814780509178257] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Increase in VTEC cases in the south of Ireland: link to private wells? Euro Surveill 2008; 13:18991. [PMID: 18822242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2023] Open
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Continued raw milk consumption on farms: why? COMMUNICABLE DISEASE AND PUBLIC HEALTH 2002; 5:151-6. [PMID: 12166304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/26/2023]
Abstract
The potential dangers associated with drinking unpasteurized milk have been highlighted over recent years. Nevertheless, the vast majority of Irish farming families persist in the practice. This qualitative study was undertaken to ascertain the reasons why. It was found that farmers generally believe their milk to be risk free on the basis of 'routine' test results. They also believe it to be of better quality than pasteurised milk, in addition to being the cheaper option. Adherence to tradition is another factor. The targeting of a more informed, credible public health message which takes account of commonly held, and understandable, views among the farming community is proposed.
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Abstract
BACKGROUND There is a paucity of data on the health status of breast cancer survivors. AIMS To measure the self-perceived health status of a cohort of breast cancer survivors by means of the SF-36 questionnaire. METHODS The questionnaire was administered to 120 survey participants. Findings were compared with those of an external comparison group. RESULTS The health status of the survey participants was found to be significantly better than that of the comparison group on four of the eight SF-36 dimensions--social functioning, mental health, vitality and general health perceptions. CONCLUSIONS The self-perceived health status of breast cancer survivors merits further research in the Irish context. Inclusion of the SF-36 questionnaire as an outcome measure is recommended.
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Mayo Clinic Laboratory Medicine: present and future. RINSHO BYORI. THE JAPANESE JOURNAL OF CLINICAL PATHOLOGY 1993; 41:63-74. [PMID: 8355411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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A medical center-based tertiary reference laboratory. Experience at Mayo Medical Laboratories (MML). Arch Pathol Lab Med 1988; 112:953-6. [PMID: 3415449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Changing technologies in the reference laboratory. Arch Pathol Lab Med 1987; 111:657-61. [PMID: 3606343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Changes in technology will have a profound impact on specialized reference laboratories. In their research and development efforts, reference laboratories will have to pursue the incorporation of the technologies of molecular and cell biology into clinical practice. Computers can be applied to the management of clinical laboratory data bases and to the organization of scientific and clinical knowledge for medical consultation. Because of the distance between the site of acquisition of referred specimens and the laboratory, research on analyte stability is needed. Computer networking will help to solve problems of inadequacy of clinical information, and bar code technology will address the problems of specimen identification. Finally, improved telecommunication will permit reference laboratories of the future to be true medical consultation centers rather than just technical analysis operations.
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Group lab: key to economic survival. GROUP PRACTICE JOURNAL 1986; 35:4-8, 11-2. [PMID: 10276663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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The government in the group lab. GROUP PRACTICE JOURNAL 1986; 35:69-72. [PMID: 10300777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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Investigation of statistical decision rules for sequential hematologic laboratory tests. Am J Clin Pathol 1978; 69:375-82. [PMID: 645635 DOI: 10.1093/ajcp/69.4.375] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
A statistical data processing program for identifying patients who are likely to have abnormalities on various hematologic laboratory tests is described. The prediction of abnormal levels of serum vitamin B12, serum folate, transferrin saturation, and reticulocyte counts is based on a statistical analysis of the patient's age, sex, and routine blood cell measurements. The program was developed using data from normal-value studies and data from patients who had these laboratory abnormalities. The sensitivity and specificity of the program were evaluated in a controlled prospective study of about 5,000 ambulatory adult patients. The program's predictions also were compared with the laboratory tests requested by the patients' attending physicians. The program was most sensitive for predicting low serum vitamin B12 (74%) and low transferrin saturation (78%). In the prospective evaluation, the predictive values varied from 11% for predicting low serum folate to 65% for predicting low transferrin saturation.
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The prediction of prothrombin time system performance using secondary standards. Am J Clin Pathol 1977; 68:191-4. [PMID: 879093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
A method for the comparison of prothrombin time systems using single large lots of lyophilized plasma in the College of American Pathologists Surveys is presented. Systematic biases for prothrombin time methods as well as for thromboplastins have been measured, and their use allows a very accurate (within 2.25%) prediction of the prothrombin time for the great number of prothrombin time systems presently being used in the United States.
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Routine erythrocyte measurements in diagnosis of iron-deficiency anemia and thalassemia minor. Am J Clin Pathol 1976; 66:870-7. [PMID: 983994 DOI: 10.1093/ajcp/66.5.870] [Citation(s) in RCA: 31] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
A study was made of the routine electronic measurements of erythrocyte size and hemoglobin concentration in blood samples from 122 patients with decreased transferrin saturation and 66 patients with elevated levels of hemoglobin A2 or F. The medical histories of these patients were reviewed to identify 52 cases of uncomplicated iron-deficiency anemia and 39 cases of uncomplicated thalassemia minor. Four decision functions were compared for separating these two disorders. The functions evaluated were: D.F'. = MCV--[5 X Hb]-RBC; ratio MCV/RBC; ratio MCH/RBC, and RBC. The rules performed better in the uncomplicated cases than in the routine laboratory defined cases. Only minor differences in the performances of the various decision functions were observed. None was sufficiently accurate for final diagnosis, but they should have value in screening patients and in determining which additional test should be considered.
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Evaluation of the Hemalog D automated differential leukocyte counter. Mayo Clin Proc 1974; 49:870-4. [PMID: 4425009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Some molecular characteristics of human urinary erytopoietin determined by gel filtration and density-gradient ultracentrifugation. THE JOURNAL OF LABORATORY AND CLINICAL MEDICINE 1970; 75:771-9. [PMID: 5439675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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The immunoglobulins. MINNESOTA MEDICINE 1967; 50:1113-9. [PMID: 4167236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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