Affiliation:
1. Diabetes Clinic, The Hospital for Sick Children and Department of Pediatrics, University of Toronto School of Medicine Toronto, Canada
Abstract
Accuracy of self-monitoring of blood glucose (SMBG) using Chemstrip bG (Bio-Dynamics, Indianapolis, Indiana) was studied in 90 randomly selected children with insulin-dependent diabetes mellitus (IDDM). For 28 children (mean age 8.3 ± 3.6 yr) a parent routinely read the Chemstrip at home. The remaining 62 children (mean age 13.7 ± 2.8 yr) read the Chemstrip themselves. Each child or parent analyzed 20 capillary blood samples using Chemstrips and answered a questionnaire on SMBG. The accuracy of SMBG of the group was high (mean correlation coefficient = 0.89 ± 0.05), but consistency of measurement was variable (mean standard deviation = 1.90 ± 0.57) and there was a general tendency to underread Chemstrips (mean y-intercept = 1.05 ± 1.48; mean slope = 0.80 ± 0.17). For each subject, 0–65% (mean of 34%) of readings were within 10% of the laboratory measurement, and 17–100% (mean 68%) within 20%. These results indicate that most subjects were fairly accurate in reading Chemstrips; however, analysis of accuracy is useful in identifying individuals who are inaccurate or inconsistent in SMBG. Continuing supervision of SMBG is necessary in children with IDDM.
Publisher
American Diabetes Association
Subject
Advanced and Specialized Nursing,Endocrinology, Diabetes and Metabolism,Internal Medicine
Cited by
21 articles.
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