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Impact of self monitoring of blood glucose in the\ud management of patients with non-insulin treated diabetes:\ud open parallel group randomised trial

By A. Farmer, A. Wade, E. Goyder, P. Yudkin, D. French, A. Craven, R. Holman, A.L. Kinmonth and A. Neil

Abstract

Objective: To determine whether self monitoring, alone or\ud with instruction in incorporating the results into self care,is more effective than usual care in improving glycaemic control in non-insulin treated patients with type 2 diabetes.\ud \ud Design: Three arm, open, parallel group randomised trial.\ud Setting 48 general practices in Oxfordshire and South\ud Yorkshire.\ud \ud Participants: 453 patients with non-insulin treated type 2\ud diabetes (mean age 65.7 years) for a median duration of\ud three years and a mean haemoglobin A1c level of 7.5%.\ud Interventions Standardised usual care with measurements of HbA1c every three months as the control group (n=152), blood glucose self monitoring with advice for patients to contact their doctor for interpretation of results, in addition to usual care (n=150), and blood glucose self monitoring with additional training of patients in interpretation and application of the results to\ud enhance motivation and maintain adherence to a healthy\ud lifestyle (n=151).\ud \ud Main outcome measure: HbA1c level measured at\ud 12 months.\ud \ud Results: At 12 months the differences in HbA1c level\ud between the three groups (adjusted for baseline HbA1c\ud level) were not statistically significant (P=0.12). The\ud difference in unadjusted mean change in HbA1c level from\ud baseline to 12 months between the control and less\ud intensive self monitoring groups was −0.14% (95%\ud confidence interval −0.35% to 0.07%) and between the\ud control and more intensive self monitoring groups was\ud −0.17% (−0.37% to 0.03%).\ud \ud Conclusions: Evidence is not convincing of an effect of self monitoring blood glucose, with or without instruction in incorporating findings into self care, in improving\ud glycaemic control compared with usual care in reasonably\ud well controlled non-insulin treated patients with type 2\ud diabetes.\ud \ud Trial registration Current Controlled Trials\ud ISRCTN47464659

Publisher: BMJ Publishing Group
Year: 2007
OAI identifier: oai:eprints.whiterose.ac.uk:10705

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