组别 | N | 无效 | 有效 | 显效 | 总有效 |
对照组 | 60 | 12 (20.00%) | 38 (63.33%) | 10 (16.67%) | 22 (73.33%) |
观察组 | 60 | 3 (5.00%) | 40 (66.67%) | 17 (28.33%) | 57 (95.00%) |
Z |
| - | - | - | −2.444 |
P |
| - | - | - | 0.015 |