Table 9.
Comparison of clinical efficacy
| Group | Effective | Remarkable effect | Invalid | Total effective rate |
|---|---|---|---|---|
| Observation (n=31) | 18 (58) | 9 (29) | 4 (13) | 27 (87) |
| Control (n=30) | 16 (53) | 5 (17) | 9 (30) | 21 (70) |
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