Table 1 Characteristics of the included studies
Trial | Disease | PaO2/FiO2 ratio | SAPS II | Population | Prone (n) | Supine (n) | Actual prone duration/day (hours) | Crossover allowed | Protective lung ventilation | Jadad score |
|---|---|---|---|---|---|---|---|---|---|---|
Gattinoni_2001 [1] | ALI/ARDS (6%/94%) | 127 | 40 | 304 | 152 | 152 | 7 | Yes | No | 3 |
Guerin_2004 [2] | ALI/ARDS (21%/31%) and other causes of ARF (pneumonia; acute on chronic ARF; CPE, coma) | 153 | 46 | 791 | 413 | 378 | 8 | Yes | No | 3 |
Voggenreiter_2005 [3] | ALI/ARDS (45%/55%) (trauma) | 222 | NA | 40 | 21 | 19 | 11 | No | Yes | 3 |
Mancebo_2006 [16] | ARDS | 145 | 41 | 136 | 76 | 60 | 17 | Yes | Yes | 3 |
Chan_2007 [21] | ARDS | 109 | NA | 22 | 11 | 11 | 24 | No | Yes | 1 |
Fernandez_2008 [17] | ARDS | 120 | 38 | 40 | 21 | 19 | 20 | Yes | Yes | 3 |
Taccone_2009 [10] | ARDS | 113 | 40 | 342 | 168 | 174 | 18 | Yes | Yes | 3 |
Total/mean | 141 ± 39 | 1,675 | 862 | 813 | 15 ± 6 |