| 组别 | n | 显效 | 有效 | 无效 | 总有效率 |
| 观察组 | 36 | 19 (52.78) | 13 (36.11) | 4 (11.11) | 32 (88.89) |
| 对照组 | 36 | 13 (36.11) | 14 (38.89) | 9 (25.00) | 27 (75.00) |
| x2 | - |
|
|
| 6.520 |
| P | - |
|
|
| 0.010 |