Do patients with type 2 diabetes who are not taking insulin benefit from monitoring their blood glucose?
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Patients with type 2 diabetes who aren't on insulin and perform self-monitoring blood glucose (SMBG) show small but significant reductions in hemoglobin A1c (HbA1c) at 6 months but not at 12 months (SOR: B, systematic reviews and meta-analyses of disease-oriented evidence). Patients with a baseline HbA1c <8% who self-monitor do not reduce their A1c levels, but patients with a baseline A1c >8% do (SOR: B, systematic reviews and meta-analyses of disease-oriented evidence). More frequent SMBG—4 to 7 times weekly—does not reduce HbA1c more than less frequent self-monitoring—1 or 2 times a week (SOR: B, a systematic review and meta-analysis of disease-oriented evidence).
Evidence Based Practice 16(2): 01-02.