PubMed · 1501823
The source did not provide an abstract. Follow the original record for more information.
Explore connections, maps & timelines
J F Brown. 1992. Details please.... https://doi.org/10.1097/00006247-199208000-00002
Cite the original work for its findings. Save a collection to share your selection of sources.
KEEP EXPLORING
OBJECTIVE: To assess the accuracy and precision of the five currently available blood glucose meters in Australia. DESIGN AND SETTING: Control solutions from manufacturers were used to determine the precision for each meter. Glucose levels in capillary blood samples from 49 patients attending a diabetes clinic were measured with each meter and with a laboratory reference method. OUTCOME MEASURES: The coefficient of variation was calculated to determine precision. Bias, Error Grid analysis, and Bland-Altman plots were used to determine accuracy. RESULTS: The CVs of most meters were acceptable at <5%. Bias ranged from 4.0 to 15.5% with only 1 meter satisfying the American Diabetes Association recommendation of <5% bias. Error Grid analysis showed that 94-100% of readings were clinically accurate, and that none of the differences from the reference method would lead to clinical errors. Bland-Altman plots showed that for two meters the magnitude of the difference between the meter and the reference method increased with increasing glucose values, but did not change significantly with glucose level for the other 3 meters. CONCLUSIONS: Currently available blood glucose meters show acceptable precision, and any errors (with respect to a laboratory method) are highly unlikely to lead to clinical errors. However, only the CareSens meter achieved a bias of less than 5%.
Explore the source record for details and available documents.
In order to assess the effects of regular walking on metabolic control and cardiovascular risk factors in type 2 diabetes 26 patients from one primary care clinic, aged 60.0+/-7.3 years, participated in a walking program during 4 months. Prescribed exercise was walking for 45-60 min three times weekly. A control group of 26 patients from a neighboring primary care clinic, aged 59.3+/-6.2 years, received no exercise instructions. Thus, randomization was not performed. There were no improvements of blood pressure, body mass index, physical fitness, glycated hemoglobin A1c, fasting plasma glucose or insulin by intention-to-treat analysis. Seventeen patients in the intervention group increased their physical activity and improved systolic blood pressure; -7.6 mmHg (-15 to -0.2), diastolic blood pressure; -4.3 mmHg (-7.4 to -1.2), body mass index; -0.6 kg/m2 (-1.1 to -0.1) and total plasma cholesterol; -0.6 mmol/l (-0.9 to -0.3), (mean difference, with 95% CI). We could observe no effects on glucose metabolism in either group. Our results suggest that an increase of regular physical activity equivalent to 45 min of walking 3 days/week may suffice to improve systolic and diastolic blood pressure, lipid metabolism and BMI in patients with type 2 diabetes.