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Two-category analysis of WOMAC reduction of patients with knee osteoarthritis in three groups
| Index | Zhuanggu group (n = 136) | Combination group (n = 138) | Celecoxib group (n = 140) | χ2 | P |
|---|---|---|---|---|---|
| Efficacy at week 4, n (%) | 10.69 | 0.005 | |||
| Inefficacy | 47 (35) | 27 (20) | 50 (36) | ||
| Efficacy | 89 (65) | 111 (80) | 90 (64) | ||
| Efficacy at week 8, n (%) | 38.02 | <0.0001 | |||
| Inefficacy | 30 (22) | 7 (5) | 49 (35) | ||
| Efficacy | 106 (78) | 131 (95) | 91 (65) |
WOMAC: Western Ontario and McMaster Universities Osteoarthritis.
