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Table 3 Hospital and ICU outcomes during hospitalization period

From: Red blood cell transfusions and the risk of acute respiratory distress syndrome among the critically ill: a cohort study

Variable No ARDS (n = 4,484) ARDS (n = 246) P value
Length of stay in days, mean (SD)    
   Hospital length of stay 12.7 (8.7) 21.1 (9.3) < 0.0001
   ICU length of stay 6.7 (6.6) 17.7 (9.3) < 0.0001
Mechanical ventilation    
   On ventilator at ICU admission, number (percentage) 2,024 (45.1) 136 (55.3) 0.0019
   Duration on ventilator in days, mean (SD) 6.2 (6.7) 15.4 (9.0) < 0.0001
Mortality rate    
   Hospital mortality, number (percentage) 721 (16.1) 93 (37.8) < 0.0001
   ICU mortality, number (percentage) 504 (11.2) 88 (35.8) < 0.0001
  1. ARDS, acute respiratory distress syndrome; ICU, intensive care unit; SD, standard deviation.