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WOMAC评分两组对比
Comparison of WOMAC scores between the two groups
| CP group | Patellofemoral arthritis group | *P | |
| *: Mann-Whitney U test. | |||
| Baseline | 9.20±4.40 (n=50) | 11.21±7.66 (n=38) | 0.15 |
| 4th week after injection | 3.53±4.22 (n=50) | 5.91±7.26 (n=38) | 0.09 |
| 12th week after injection | 3.38±3.57 (n=47) | 5.84±7.57 (n=37) | 0.08 |
| 26th week after injection | 3.49±3.53 (n=45) | 6.66±7.26 (n=35) | 0.02 |
| 52nd week after injection | 3.62±3.65 (n=34) | 7.60±7.31 (n=30) | 0.01 |
