Normal lung | Mild ARDS | Moderate ARDS | Severe ARDS | COPD | p (ANOVA) | |
---|---|---|---|---|---|---|
n | 49 | 17 | 32 | 13 | 9 | |
ΔP (cmH20) | 9 (8–10) | 10 (9–11) | 10 (8–13) | 10 (8–11) | 11 (6–12) | 0.127 |
VT/IBW (mL/Kg) | 7.5 (6.6–8.1) | 6.8 (6.3–7.5) | 6.6 (6.1–7.0) | 6.6 (5.7–7.3) | 9.3 (6.9–11.1) | 0.001 |
PPLAT (cmH20) | 16 (14–18) | 21 (17–24) | 22 (20–24) | 24 (23–26) | 20 (18–22) | <0.001 |
PEEP (cmH20) | 6 (5–7) | 10 (8–12) | 10 (8–15) | 12 (10–18) | 7 (6–10) | <0.001 |
PaCO2 (mm Hg) | 38 (36–42) | 41 (38–49) | 41 (38–46) | 46 (42–52) | 49 (45–56) | <0.001 |
PaO2 (mm Hg) | 88 (79–94) | 81 (75–120) | 81 (73–96) | 74 (68–95) | 76 (64–89) | 0.159 |