组别

n

非计划拔管

皮肤损伤

坠床

肢体肿胀

总发生率

对照组

60

6 (10.0%)

7 (11.6%)

3 (5.0%)

8 (13.3%)

24 (40.0%)

观察组

60

2 (3.3%)

1 (1.6%)

0 (0)

4 (6.6%)

7 (11.6%)

χ²

-

5.738

6.839

3.245

4.188

11.254

P

-

0.017

0.009

0.045

0.026

0.000