969824.fig.002
Figure 2: Effects of combined therapy or single therapy on plasma insulin concentration among type 2 diabetic patients before and after treatment. TZD + EA = patients receiving 8 mg rosiglitazone stat and electroacupuncture; TZD = patients receiving 8 mg rosiglitazone stat only; Wilcoxon signed-rank test was used to assess differences in the means of the groups, .