| 分组 | n | 显效 | 有效 | 无效 | 总有效率 |
| 观察组 | 38 | 24 (63.16) | 13 (34.21) | 1 (2.63) | 37 (97.37) |
| 对照组 | 38 | 15 (39.47) | 17 (44.74) | 6 (15.79) | 32 (84.21) |
| χ2值 |
| 10.393 | 5.936 | 6.017 | 6.017 |
| P值 |
| 0.000 | 0.017 | 0.013 | 0.013 |