WOMAC index | ||||||||||
Pain | Stiffness | Function | Total | VAS | ||||||
PRGF | HA | PRGF | HA | PRGF | HA | PRGF | HA | PRGF | HA | |
Baseline | 8.25±2.7 | 8.14±2.6 | 2.86±1.8 | 2.57±.1.4 | 30.75±8.5 | 29±8.1 | 41.96±11.71 | 39.71±10.4 | 7.8±1.5 | 7.8±1.1 |
At 2 mo | 4.98±2.6 | 5.31±2.3 | 1.53±1.4 | 1.2±1.1 | 19.75±8.2 | 20.78±6.6 | 26.25±11.17 | 27.37±9.09 | 4.2±2.01 | 4.4±1.6 |
At 6 mo | 5.22±3.05 | 5.9±2.3 | 1.43±1.5 | 1.2±1.2 | 18.22±9.9 | 21.12±6.6 | 24.86±14 | 28.35±9.4 | 4.3±2.3 | 4.7±1.9 |
At 12 mo | 5.47±2.6 | 6.3±2.6 | 1.8±1.34 | 1.6±1.2 | 19.82±8.9 | 24.43±8.4 | b27.10±12.3 | 32.41±11.8 | 4.5±1.7 | 6.1±1.8 |
P-value Within groups | <0.0001 | <0.0001 | <0.0001 | <0.0001 | <0.0001 | <0.0001 | <0.0001 | <0.0001 | <0.0001 | <0.0001 |
P-value Between groups | 0.339 | 0.856 | a0.009 | b0.02 | c 0.0001 |