| n | 1个月 | 3个月 | 6个月 |
全麻组 | 16 | 16 (100.00) | 15 (93.75) | 15 (93.75) |
束缚组 | 9 | 8 (88.89) | 6 (66.67) | 5 (55.56) |
χ2值 |
| 1.85 | 3.14 | 5.25 |
P值 |
| 0.1736 | 0.0762 | 0.0219* |