Table 2 Respiratory variables at start of ventilation
From: Dead space estimates may not be independently associated with 28-day mortality in COVID-19 ARDS
|  | All Patients (n = 927) | Non-Survivors (n = 266) | Survivors (n = 661) | p value |
|---|---|---|---|---|
Tidal volume, mL/kg PBW | 6.4 (5.9–7.1) | 6.5 (5.9–7.2) | 6.4 (5.9–7.1) | 0.175 |
PEEP (cmH2O) | 12.7 (11.0–14.5) | 13.0 (11.2–15.0) | 12.7 (10.7–14.3) | 0.091 |
Driving pressure (cmH2O) | 14.0 (12.0–16.0) | 13.7 (12.0–16.3) | 14.0 (12.0–16.0) | 0.746 |
PaO2/FiO2 | 130.9 (99.9–175.5) | 137.2 (98.1–180.0) | 128.8 (100.2–171.5) | 0.262 |
EtCO2 | 36.5 (32.6–41.6) | 34.7 (31.7–40.2) | 37.0 (33.2–42.0) | 0.001 |
Mechanical power (J/min) | 18.4 (15.2–22.3) | 18.9 (15.9–22.8) | 18.3 (15.1–22.0) | 0.100 |
Compliance (mL/cmH2O) | 33.2 (26.7–40.3) | 33.8 (26.7–40.7) | 32.9 (26.7–40.1) | 0.899 |