组别

5级

4级

3级

2级

1级

0级

x²/P

肺部感染

2 (15.38%)

3 (16.66%)

2 (10%)

4 (30.77%)

5 (33.33%)

7 (63.63%)

13.05/0.02

呼吸衰竭

0 (0%)

1 (12.5%)

0 (0%)

1 (7.69%)

2 (13.33%)

3 (27.27%)

9.38/0.09