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Comparison of curative effect of two groups of patients at 1 year after operation [n(%)].
| Group | n | Significant effect | Valid | General effect | Invalid |
|---|---|---|---|---|---|
| Control group | 48 | 11 (22.92) | 14 (29.17) | 13 (27.08) | 10 (20.83) |
| Test group | 56 | 22 (39.29) | 17 (30.36) | 10 (17.86) | 7 (12.50) |
| χ 2 | 5.56 | 0.32 | 4.87 | 4.37 | |
| P | 0.02 | 0.62 | 0.03 | 0.04 |
