| 组别 | 显效 | 有效 | 无效 | 总有效 |
| 对照组(n = 45) | 10 (22.2%) | 26 (57.8%) | 9 (20.0%) | 36 (80.0%) |
| 观察组(n = 45) | 21 (46.7%) | 22 (48.9%) | 2 (4.4%) | 43 (95.6%) |
| χ2 | - | - | - | 5.075 |
| P值 | - | - | - | 0.024 |