| Lung injury (n = 12) | No lung injury (n = 138) | P value univariate analysis | P value multivariate analysis |
---|---|---|---|---|
Age (years) | 63.5 (54.3-78.3) | 63.0 (48.8-74.0) | 0.41 | - |
Male gender (n, %) | 9 (75%) | 90 (65%) | 0.49 | - |
APACHE-II score | 19 (15-23) | 20 (15-27) | 0.82 | - |
LIS | 1.5 (1.25-2.0) | 1.25 (0.75-1.75) | 0.03 | - |
ALI-risk factor (n, %) | 10 (83%) | 82 (59%) | 0.10 | 0.14 |
Number of transfused blood products (median, IQR) | 0 (0-13) | 0 (0-2) | 0.01 | - |
Oxygenation Index | 5.2 (4.3-6.8) | 3.9 (2.7-5.5) | 0.04 | - |
PaO2/FiO2 | 34 (26-41) | (35 (28-45) | 0.46 | - |
Conventional-tidal-volume group | 10 (83%) | 64 (46%) | 0.01 | 0.007 |
PEEP level (cm H2O) | 10 (8-12) | 5 (5-9) | 0.001 | 0.001 |
IL-6 level in lavage fluid (median with IQR, pg/ml) | 592 (148-1,321) | 226 (23-765) | 0.04 | - |
IL-6 level in plasma (pg/ml) | 79 (25-565) | 48 (19-145) | 0.13 | - |
TNF-α level in lavage fluid (median with IQR, pg/ml) | 7.2 (1.0-121) | 1.3 (0-30.6) | 0.11 | - |
IL-1β level in lavage fluid (median with IQR, pg/ml) | 9.0 (0.0-96.7) | 42.4 (4.2-281) | 0.32 | - |