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Table 1 Patient characteristics of the ICU sample (n = 1205)

From: Tracheostomy in patients with acute respiratory distress syndrome is not related to quality of life, symptoms of psychiatric disorders or return-to-work: the prospective DACAPO cohort study

 Tracheostomy (n = 659)Non-tracheostomy (n = 546)p valueMissing (n)
Age (years), mean (± SD)56.41 (± 14.87)56.01 (± 16.89)0.6630
Sex
 Men, n (%)454 (69%)368 (67%)0.5800
 Women, n (%)205 (31%)178 (33%)
BMI (kg/m2), mean (± SD)29.62 (± 9.34)28.29 (± 6.94)0.010*154
Severity of ARDSa
 Mild, n (%)46 (9%)44 (10%)0.711273
 Moderate, n (%)224 (44%)182 (42%)
 Severe, n (%)238 (47%)211 (48%)
SAPSb, mean (± SD)65 (± 41.36)51 (± 41.02)0.655124
SOFA scorea, mean (± SD)8.46 (± 3.58)8.10 (± 3.34)0.098148
Duration of ICU stay, days, median (IQR)30 (20–44)15 (10–23)< 0.001*44
  1. ARDS acute respiratory distress syndrome, BMI body mass index, ICU intensive care unit, SAPS Simplified Acute Physiology Score, SOFA sequential organ failure assessment
  2. *p < 0.05
  3. aMeasured at the time of ARDS diagnosis
  4. bMeasured at ICU admission