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Table 1 Patients’ baseline characteristics at inclusion

From: Automated vs. conventional ventilation in the ICU: a randomized controlled crossover trial comparing blood oxygen saturation during daily nursing procedures (I-NURSING)

Characteristics Overall cohort
n = 265
Age—years 64 ± 14 (62–66)
Men/women—n (%) 172 (65%) / 93 (35%)
Body mass index—kg/m2 31 ± 15 (29–32)
Chronic disease—n (%)
 COPD 55 (21%)
 Chronic respiratory failure 26 (10%)
 Chronic heart failure 34 (13%)
SAPS-2 at ICU admission 59 ± 19 (56–61)
SOFA at inclusion 9 ± 3 (8–9)
Reason for ICU admission—n (%)
 Medical 245 (92%)
 Surgical 20 (8%)
Acute organ failure at inclusion—n (%) 178 (67%)
 Hemodynamic 122 (46%)
 Kidney 57 (22%)
 Neurologic 42 (16%)
 Heart 25 (9%)
 Liver 22 (8%)
 Hematologic 9 (3%)
Main reason for MV—n (%)
 Acute respiratory failure 138 (52%)
 Coma 67 (25%)
 Cardiac arrest 19 (7%)
 Sepsis 15 (6%)
 Other 24 (9%)
 Unknown 2 (1%)
MV duration before inclusion—days 4 ± 4 (4–5)
Chest radiograph opacities—quadrants 2 ± 1 (1–2)
  1. Categorical variables are expressed as n (%) and continuous variables as mean ± standard deviation (95% confidence interval)
  2. COPD chronic obstructive pulmonary disease, SAPS-2 Simplified Acute Physiological Score 2, SOFA Sepsis-Related Organ Failure Assessment, ICU intensive care unit, MV mechanical ventilation