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Comparison of total effective rate of two groups at 1 week after operation (n, %)
| Groups | Cure | Effective | Improvement | Ineffective | Total effective rate (%) |
|---|---|---|---|---|---|
| Control group (n=30) | 10 (33.33) | 6 (20.00) | 6 (20.00) | 8 (26.67) | 73.33 |
| Observation group (n=30) | 11 (36.67) | 5 (16.67) | 7 (23.33) | 7 (23.33) | 76.67 |
| χ2 | 0.089 | ||||
| P | 0.766 |
