a nonsignificant trendP = 0.167
When regarding CDT, PPA reduction after treatment, distal IENFD, and pain induced by capsaicin individually, there was a nonsignificant trend towards more patients with the combination of capsaicin-induced pain and reduced distal IENFD in the responder group (4/7 vs 0/2; Table 6 , χ 2 test, P = 0.167).