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Comparison of clinical effects of joint replacement in two groups.
| Group | No. of cases | No. of cured cases | Markedly effective cases | Effective cases | Invalid cases | Total effective rate (%) |
|---|---|---|---|---|---|---|
| Control | 25 | 0 | 6 | 10 | 9 | 64.0 |
| Observation | 25 | 0 | 10 | 11 | 4 | 84.0∗ |
∗ P < 0.05 vs. control group.
