Length of hospital stay

Prone position

n = 40 (100%)

Supine position

n = 83 (100%)

Mean of difference

p-value

0 - 7 days

8 - 21 days

22 - 30 days

>30 days

21 (52.5%)

12 (30.0%)

5 (5%)

5 (12.5%)

12 (26.8%)

50 (40.7%)

10 (8.1%)

30 (24.4%)

−14.7

0.001