From: Effect of mechanical power on intensive care mortality in ARDS patients
 | Survivors, N = 134 | Non-survivors, N = 88 | p |
---|---|---|---|
Age (years) | 60 [43–70] | 64 [54–75] | 0.005 |
Female, N (%) | 38 (31%) | 31 (35%) | 0.48 |
BMI (kg/m2) | 24.85 [22.67–28.28] | 24.25 (22.29–29.02) | 0.97 |
ARDS category, N (%) | Â | Â | 0.001 |
 • Mild | 32 (24) | 9 (10) |  |
 • Moderate | 90 (67) | 50 (57) |  |
 • Severe | 12 (9) | 29 (33) |  |
Cause of ARDS, N (%) | Â | Â | 0.04 |
 • Pulmonary | 76 (57) | 37 (42) |  |
 • Extrapulmonary | 58 (43) | 51 (58) |  |
PaO2/FiO2 | 195 [146–231] | 153 [115.33–189.28] | 0.001 |
PaCO2 (mmHg) | 40 [35.92–4] | 44.45 [39.15–52.9] | 0.001 |
Respiratory rate (bpm) | 16 (13–20) | 17.5 (14–20) | 0.07 |
Tidal volume (mL) | 510 [450–600] | 480 [420–550] | 0.004 |
Tidal volume/body weight (mL/kg) | 7.93 [7–9.1] | 7.82 [6.7–8.47] | 0.12 |
Clinical PEEP (cmH2O) | 10 [10–12.5] | 10 [10–12] | 0.68 |
Driving pressure (cmH2O) | 12.58 ± 3.31 | 14.03 ± 3.48 | 0.004 |
Respiratory system elastance (cmH2O/mL) | 23.91 [18.44–29.15] | 28.57 [22.97–34.87] | 0.001 |
SAPS II | 36 [29–47] | 44 [37.75–56] | 0.001 |
Intensive care unit stay (days) | 19.5 [11.5–30.5] | 15 [8–24] | 0.009 |