组别 | 例数 | 显效 | 有效 | 较差 | 总有效率 |
观察组 | 50 | 25/50.0 | 22/44.0 | 3/6.0 | 94.0% |
对照组 | 50 | 15/30.0 | 21/42.0 | 14/28.0 | 72.0% |
X2/P | - | - | - | - | 8.576/0.003 |