Study name

Prone ICU days Mean

Prone std-dev

Supine ICU days Mean

Supine std-dev

Beuret, et al.

16.5

12.9

19.4

24.1

Manecebo, et al.

20.5

18.2

19.1

23.1

Fernandez, et al.

14.7

9.7

17.5

16.1

Guérin, et al.

22.5

21

22

21

Total (Average)

74.2 (18.55)

78 (19.5)