From "Improving Performance in Diabetes Care: A Multicomponent Intervention" Effective Clinical Practice, September/October 2000. 5:205-212.
Figure 2. Paired analysis of glycosylated hemoglobin A1c levels for the 82 patients with data available before and after implementation of the guideline. Top. Distribution of Hb A1c values at baseline and follow-up. The horizontal line indicates the mean value. Bottom. Distribution of changes in Hb A1c values. Values improved in 69 of 82 patients (84%).