Fig. 2

Trends of VAS score are improvement during the treatment course at 1, 3, 6, and 12 months (M). VAS is illustrated in A PS group, B PE group, and C comparison of VAS score between PS and PE groups panels. PRP + Sham: PS group. PRP + ESWT: PE group. The *p-value < 0.05, **p-value < 0.01 are as compared with the data before treatment (Pre) in A and B. The ^#p-value < 0.05 means significant differences of pain relief between two groups at any timepoint in C