Table 3 Settings, delivered ventilation, respiratory mechanics and blood gas results according to the lung condition in all patients.
1 Normal lung | 2 ARDS | 3 COPD | 4 Others | P (ANOVA) | Post hoc comparison (P ≤0.05) | |
|---|---|---|---|---|---|---|
Number of patients | 45 | 16 | 19 | 20 | ||
Number of days | 139 | 90 | 79 | 84 | ||
MV (L/min) | 9.3 (7.5-11.7) | 9.7 (7.8-13.3) | 9.4 (6.4-11.9) | 7.5 (6.6-10.8) | 0.001 | 1 vs. 4 |
VT/PBW (mL/kg) | 8.3 (7.7-9.1) | 7.8 (7.2-8.5) | 9.4 (8.4-11.5) | 8.0 (7.3-9.2) | <0.001 | 1 vs. 3; 2 vs. 3; 3 vs. 4 |
PEEP (cmH2O) | 5 (5-6) | 9 (5-12) | 7 (5-10) | 8 (5-11) | <0.001 | 1 vs. 2; 1 vs. 3; 1 vs. 4 |
FiO2 (%) | 30 (30-30) | 34 (30-43) | 31 (30-36) | 30 (30-41) | <0.001 | 1 vs. 2; 1 vs. 3; 1 vs. 4; 2 vs. 3 |
PINSP (cmH2O) | 21 (18-25) | 25 (20-30) | 24 (19-38) | 26 (22-30) | <0.001 | 1 vs. 2; 1 vs. 3; 1 vs. 4 |
RR (breath/min) | 19 (16-23) | 20 (16-26) | 15 (12-19) | 18 (14-22) | <0.001 | 1 vs. 3; 2 vs. 3; 2 vs. 4 |
RCEXP (s) | 0.61 (0.50-0.75) | 0.50 (0.43-0.58) | 0.91 (0.64-1.22) | 0.56 (0.46-0.66) | <0.001 | 1 vs. 2; 1 vs. 3; 2 vs. 3; 3 vs. 4 |
PaO2/FiO2 (mm Hg) | 326 (267-380) | 206 (172-252) | 260 (206-328) | 241 (189-304) | <0.001 | 1 vs. 2; 1 vs. 3; 1 vs. 4; 2 vs. 3; 2 vs. 4 |
PaO2 (mm Hg) | 100 (85-117) | 76 (69-84) | 86 (74-105) | 82 (73-95) | <0.001 | 1 vs. 2; 1 vs. 3; 1 vs. 4; 2 vs. 3; 2 vs. 4 |
pH | 7.36 (7.30-7.41) | 7.35 (7.23-7.42) | 7.30 (7.25-7.35) | 7.33 (7.26-7.41) | <0.001 | 1 vs. 3; 2 vs. 3 |
PaCO2 (mm Hg) | 35 (31-40) | 41 (35-49) | 45 (37-53) | 39 (34-46) | <0.001 | 1 vs. 2; 1 vs. 3; 1 vs. 4 |