SpO₂

Prone Position

n = 40 (100%)

Supine Position

n = 83 (100%)

Mean Difference

Test de

Fisher

p-value

D0

39 (97.5%)

80 (96.4%)

8.7

0.00

0.40

D1 - D3

40 (100%)

83 (98.8%)

8.7

5.55

0.02

D4 - D7

35 (87.5%)

71 (85.5%)

13.7

12.80

0.001

D8 - D14

31 (77.5%)

59 (71.1%)

14.4

10.78

0.001

D15 - D21

23 (57.5%)

33 (39.8%)

23.9

13.01

0.001

D22 - D28

11 (27.5%)

17 (21.3%)

18.8

3.19

0.09

D29 - D39

3 (7.5%)

5 (6.0%)

−44.7

0.60

0.47

D40 - D47

3 (7.5%)

4 (4.8%)

−31.4

4.44

0.09

D48 - D55

2 (5%)

3 (3.8%)

−26.5

0.75

0.45

D56 - D63

2 (5%)

3 (3.8%)

−26.5

1.42

0.32

D3 before discharge

35 (87.5%)

73 (88%)

11.1

10.75

0.001

D2 before discharge

40 (100%)

77 (92.8%)

14.1

12.94

0.001

At discharge

40 (100%)

81 (97.6%)

39.4

26.45

0.001