Comparison of point of care and laboratory HbA1c analysis: a MetroNet study.
نویسندگان
چکیده
BACKGROUND Evaluating new technology in clinical practice is an important component of translating research into practice. We considered the feasibility of using a Clinical Laboratory Improvement Amendments (CLIA)-waived point of care (POC) glycohemoglobin (HbA1c) methodology in busy family medicine centers by comparing the results of POC HbA1c and laboratory analysis results. METHODS Recruited from 5 MetroNet practices, the participants were adult diabetic patients having blood samples drawn for laboratory analysis of HbA1c. Each agreed to provide a capillary blood sample for POC testing. RESULTS With data on 99 paired samples, the POC method yielded a mean HbA1c of 7.38%, which was equivalent to the mean of 7.53% produced with all combined standard laboratory analyses. The Pearson correlation between POC and the laboratory analysis test results was 0.884 (P < .001). POC test sensitivity was 81.8% and specificity was 93.2%. Eighteen percent of patients with an HbA1c > = 7% by laboratory analysis were not identified as such by the POC test. CONCLUSIONS Before adopting a POC methodology, practices are encouraged to review its feasibility in the context of the office routine, and also to conduct periodic comparisons of the accuracy of POC test results compared with those from laboratory analysis.
منابع مشابه
Correlation of same-visit HbA1c test with laboratory-based measurements: A MetroNet study
BACKGROUND Glycated hemoglobin (HbA1c) results vary by analytical method. Use of same-visit HbA1c testing methodology holds the promise of more efficient patient care, and improved diabetes management. Our objective was to test the feasibility of introducing a same-visit HbA1c methodology into busy family practice centers (FPC) and to calculate the correlation between the same-visit HbA1c test ...
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ورودعنوان ژورنال:
- Journal of the American Board of Family Medicine : JABFM
دوره 22 4 شماره
صفحات -
تاریخ انتشار 2009