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  • Title: Bedside glucose monitoring. Comparison of performance as studied by the College of American Pathologists Q-Probes program.
    Author: Howanitz PJ, Jones BA.
    Journal: Arch Pathol Lab Med; 1996 Apr; 120(4):333-8. PubMed ID: 8619743.
    Abstract:
    OBJECTIVE: To measure changes in practice characteristics and accuracy of bedside glucose monitoring between studies performed in 1991 and 1994. DESIGN: Participants in a 1991 and a 1994 bedside glucose monitoring study of the College of American Pathologists Q-Probes program were compared using data collected by a questionnaire for 15 quality variables and data from paired specimens for accuracy. Accuracy goals of bedside testing were those defined by the American Diabetes Association as within 10% of the laboratory value. Accuracy was estimated using a daily paired comparison of patient specimens for 30 days, one bedside glucose instrument, and individuals who commonly performed these measurements. SETTING: Institutions subscribing to the College of American Pathologists' voluntary quality improvement program, Q-Probes. PARTICIPANTS: In 1991 and 1994, 605 and 544 institutions collected data about performance characteristics, whereas 171 and 242 institutions participated in the accuracy components, respectively. MAIN OUTCOME MEASURE: Changes in accuracy between 1991 and 1994. RESULTS: When compared, improvement occurred for 12 of 15 quality variables. However, no significant changes were found for the percentage of values within stated accuracy goals. CONCLUSIONS: Although the process of bedside glucose testing improved between the 1991 and 1994 studies, the testing accuracy remained unchanged.
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