Secondary outcome measures obtained by questionnaire at 1, 4, and 10 weeks*
| 1 Week | 4 Weeks | 10 Weeks | |||||||
|---|---|---|---|---|---|---|---|---|---|
| PRP (n=41) | Placebo (n=39) | Between-group difference (95% CI) | PRP (n=40) | Placebo (n=39) | Between-group difference (95% CI) | PRP (n=40) | Placebo (n=38) | Between-group difference (95% CI) | |
| Good/excellent patient satisfaction, % | 93 | 82 | 11 (−4 to 25) | 93 | 95 | −2 (−13 to 8) | 93 | 100 | −7 (−16 to 7) |
| Perceived full recovery, % | 0 | 3 | 3 (−2 to 8) | 28 | 31 | 3 (−17 to 23) | 80 | 76 | −4 (−22 to 15) |
| Pain score in rest—0–10 rating scale (SD) | 0.7±1.5 | 0.5±1.2 | 0.2 (−0.2 to 0.6) | 0.2±0.8 | 0.2±0.8 | 0.0 (−0.4 to 0.4) | 0.1±0.4 | 0.2±0.7 | −0.1 (−0.5 to 0.3) |
*Plus–minus values are means±SD.
PRP, platelet-rich plasma.