Characteristics (n = 45 patients) | Data |
---|---|
Sex ratio, male/female | 32/13 |
Age, years | 65.0 ± 17.2 |
APACHE II score | 16.9 ± 8.2 |
Tidal volume, ml/kg of predicted body weight | 5.6 ± 0.6 |
Initial PEEP, mmHg | 9 ± 2 |
Initial P/F, mmHg | 132 ± 32 |
Prone positioning duration, h | 42 ± 16 |