Table 2 Outcomes reported by each included study
From: Intra-articular platelet-rich plasma injection for knee osteoarthritis: a summary of meta-analyses
| Â | Kanchanatawan et al. | Shen et al. | Xu et al. | Dai et al. |
|---|---|---|---|---|
Clinical scores | ||||
 VAS pain score | + | – | + | – |
 IKDC score | + | – | + | + |
 WOMAC total score | + | + | + | + |
 WOMAC pain score | + | + | – | + |
 WOMAC function score | + | + | – | + |
 Lequesne score | + | – | + | + |
Patient satisfaction | – | – | – | – |
Adverse events | + | + | – | + |