The Change in HbA1c Associated with Initial Adherence and Subsequent Change in Adherence among Diabetes Patients Newly Initiating Metformin Therapy

Figure 2

Percentage point change in HbA1c between first HbA1c measured 6–12 months after metformin initiation and last HbA1c of observation period measured 3–21 months later by change in category of Biologic Response Based Proportion of Days Covered where no change is the reference group. Data are for the total sample (Analysis 2). Error bars represent 95% confidence intervals.