组别 | n | CR | PR | SD | PD | 有效率 | 稳定率 | Z | P |
观察组 | 30 | 11 | 15 | 3 | 1 | 86.7% | 96.7% | −2.280 | 0.023 |
对照组 | 30 | 7 | 9 | 11 | 3 | 53.3% | 90.0% |
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