Table 2. Within-group comparison of HGS, VAS score, and SF-MPQ score according to the follow-up duration.
| Baseline | Post-treatment | Post-treatment | |
|---|---|---|---|
| 4th week | 12th week | ||
| ESWT group | |||
| HGS (kg)* | 19±3.0 | 24±3.5 | 28.8±1.6 |
| VAS* | 6.8±1.3 | 2.1±0.9 | 0.7±0.6 |
| SF-MPQ* | 18.4±8.4 | 9.2±4.7 | 5.1±2.5 |
| Injection group | |||
| HGS (kg)* | 24.5±7.5 | 29.2± 8.5 | 30.7±8.4 |
| VAS* | 7.8±0.9 | 3.1±1.5 | 2.4±1.6 |
| SF-MPQ* | 18.7±4.5 | 9.5±3.3 | 7.1±3.4 |
Values are expressed as mean±standard deviation. *p<0.01
ESWT: extracorporeal shock wave therapy; HGS: hand grip strength; VAS: visual analog scale; SF-MPQ: short-form McGill pain questionnaire