| 组别 | n | 压疮 | 肺部感染 | 深静脉血栓 | 总计 |
| 观察组 | 53 | 1 (1.89) | 1 (1.89) | 0 | 2 (3.77) |
| 对照组 | 53 | 3 (5.66) | 4 (7.55) | 2 (3.77) | 9 (16.98) |
| χ2 |
|
|
|
| 4.970 |
| P |
|
|
|
| 0.026 |