Table 6: Comparison of median VAS, WOMAC pain, WOMAC stiffness and WOMAC physical activity (PA) change from baseline to 360 days. Median (range) reported.
| P values | ||||||
| Outcome | HA | PRP | HA+PRP | HA vs PRP | HA vs HA+PRP | PRP vs HA+PRP |
| VAS | -2 (-7, 2) | -5 (-9, 1) | -5 (-9, -1) | 0.0000 | 0.0000 | 0.6783 |
| n | 33 | 32 | 25 | |||
| WOMAC Pain | -188 (-450, 50) | -238 (-425, 0) | -200 (-450, 50) | 0.2273 | 0.6546 | 0.3057 |
| n | 34 | 30 | 23 | |||
| WOMAC Stiffness | -75 (-125, 50) | -100 (-175, 0) | -88 (-175, 0) | 0.3192 | 0.4674 | 0.7537 |
| n | 15 | 14 | 12 | |||
| WOMAC PA | -450 (-1350, 375) | -775 (-1300, 0) | -825 (-1325, -300) | 0.0089 | 0.0001 | 0.1982 |
| n | 36 | 34 | 33 |