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Table 3 Mortality, cause of death, and in-hospital outcomes

From: A lung rescue team improves survival in obesity with acute respiratory distress syndrome

 Standard protocol-based cohort (N = 70)Lung rescue team cohort (N = 50)PaHazard ratio (CI 95%)a
ICU mortality, n (%)24/70 (34)9/50 (18)0.0040.29 (0.12–0.67)
Hospital mortality, n (%)29/70 (41)9/50 (18)< 0.0010.22 (0.10–0.51)
28-day mortality, n (%)22/70 (31)8/50 (16)0.0010.31 (0.13–0.78)
3-month mortality, n (%)29/70 (41)11/50 (22)0.0060.35 (0.16–0.74)
6-month mortality, n (%)29/70 (41)11/50 (22)0.0060.35 (0.16–0.74)
1-year mortality, n (%)29/70 (41)11/50 (22)0.0060.35 (0.16–0.74)
Cause of death
 Multi-organ failure27/297/11  
 Brain injury/advanced cancer2/294/11  
ICU length of stay, days , mean (CI 95%)13 (9–16)17 (14–20)< 0.001 
Days not in ICU at day 28, days, mean (CI 95%)b12 (9–14)11 (8–13)0.413 
Hospital length of stay, days, mean (CI 95%)19 (15–23)28 (23–33)< 0.001 
Days not in hospital at day 28, days, mean (CI 95%)b7 (5–9)5 (3–7)0.121 
Ventilation-free days, days, mean (CI 95%)b14 (11–16)15 (12–18)0.859 
Reintubation, n (%)12/70 (17)8/50 (16)0.868 
Tracheostomy, n (%)11/70 (16)14/50 (28)0.061 
AKI, n (%)37/70 (52)26/50 (54)0.902 
RRT, n (%)16/70 (23)12/50 (24)0.884 
  1. Abbreviations: CI confidence interval, ICU intensive care unit, AKI acute kidney injury, RRT renal replacement therapy
  2. aP values and hazard ratios for mortality calculated after correction for common ICU confounding factors (APACHE, age, BMI, PaO2/FiO2)
  3. bIf in-hospital death occurred before day 29, the ventilation-free days, the days not in ICU at day 28, and the days not in hospital at day 28 were considered to be zero