Authors Year 28-day Mortality Prone Supine P Value N° Patients Prone Supine Hours/day in Pone position
Gattinoni L et al.* [17] 2001  21% 25% 0.65 152 152 7 h
Guerin C et al. [12] 2004  32% 32% 0.77 413 378 8 h
Voggenreiter et al. [18] 2005 23.8% 84% 0.27 21 19 11 h
Manchebo et al. ** [19] 2006  43% 58% 0.12 76 60 17 h
Fernandez R et al.# [12] 2008  38% 53% 0.36 21 19 ≥ 20 h
Taccone P et al. [13] 2009  31% 32.8% 0.72 168 174 20 h
Guerin C et al. [12] 2013  16% 32.8% < 0.001 240 234 16 h
* 10-day mortality; ** ICU mortality; # 60-day mortality
Table 1: RCTs comparing prone vs. supine position in ARDS patients