项目 | 指标 | 试验组 | 对照组 | 合计 | 统计量 | P |
扩张效果评价 | 有效n (%) | 29 (93.5%) | 13 (44.8%) | 42 (70.0%) |
| 0.0001 |
| 显效n (%) | 2 (6.5%) | 10 (34.5%) | 12 (20.0%) | (Fisher精确概率法) |
|
| 无效n (%) | 0 | 6 (20.7%) | 6 (10.0%) |
|
|
| 合计 | 31 | 29 | 60 |
|
|