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The reliability of self blood glucose analysis was studied in 83 insulin-treated diabetic patients. Reliability was assessed by laboratory analysis of capillary blood samples collected simultaneously on filter paper. Patient and laboratory results were compared using a scoring system which produces an easily understood Proficiency Score. The score was designed to highlight unreliable performance in measuring glucose concentrations in the euglycaemic as well as hypo- and hyperglycaemic ranges. Only 17% of patients achieved acceptable Proficiency Scores by maintaining adequate performance on five occasions.
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Pollard et al. (1988) studied this question.
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