Fig. 2. (A) Mean international index of erectile function-erectile function (IIEF-EF) domain score for patients treated with low-intensity extracorporeal shock wave therapy (Li-ESWT) or sham treatment at baseline, week 4, and week 7. (B) Comparison of the mean IIEF-EF domain score changes from baseline. ^ap<0.001 compared with baseline. ^bp<0.001.