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Table 2 Baseline biological variables of the 52 ARDS patients according to the outcome at Day 28

From: High levels of circulating leukocyte microparticles are associated with better outcome in acute respiratory distress syndrome

Variables Survivors Nonsurvivors P-value
  ( n = 31) ( n = 21)  
Blood Neutrophils (×109 cells/L) (mean ± SD) 11.6 ± 6.5 12.8 ± 8.0 0.6
Hematocrit (%) (mean ± SD) 32 ± 6 30 ± 6 0.42
Platelet count (×109 cells/L) (mean ± SD) 230 ± 136 154 ± 102 0.04
Prothrombin time (%) (mean ± SD) 65 ± 17 56 ± 20 0.09
Fibrinogen (g/L) (mean ± SD) 5.6 ± 1.7 4.5 ± 2.2 0.09
Lactate (mmol/L) (median (IQR)) 1.5 (1.1 to 2.6) 1.8 (1.2 to 3.3) 0.46
Creatinine (μmol/L) (median (IQR)) 76 (59 to 112) 108 (66 to 194) 0.08
Procalcitonin (ng/mL) (median (IQR)) 1.2 (0 to 8.6) 4.4 (0 to 10.7) 0.44
BAL Neutrophils (×109 cells/L) (median (IQR)) 372 (94 to 1,995) 367 (111 to 1,425) 0.67
BALF to plasma total protein ratio (median (IQR)) 0.24 (0.14 to 0.44) 0.28 (0.16 to 0.63) 0.59
  1. Data are expressed as mean ± SD or median and 25 to 75% interquartile range (IQR). BAL, broncho alveolar lavage.