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Table 1 Characteristics of patients at inclusion

From: Ultrasound shear wave elastography for assessing diaphragm function in mechanically ventilated patients: a breath-by-breath analysis

Characteristics Values
Demographics
Number 25
Age, years 65 (58–75)
Female, n (%) 6 (24%)
Body mass index, kg·m−2 25 (22–28)
Previous conditions
COPD, n (%) 9 (38%)
Chronic cardiac disease, n (%) 12 (50%)
Chronic kidney disease, n (%) 5 (21%)
Current smoking, n (%) 6 (25%)
ICU stay descriptors
SAPS 2 score 51 (39–62)
SOFA score 5 (4–8)
Duration of intubation, days 4 (3–7)
Main raison for intubation
Hypoxemic acute respiratory failure, n (%) 10 (40%)
Coma, n (%) 10 (40%)
Hypercapnic acute respiratory failure, n (%) 3 (12%)
Cardiac arrest, n (%) 2 (8%)
Ventilator settings
Pressure support, cmH2O 10 (10–12)
PEEP, cmH2O 5 (5–5)
FiO2, % 30 (30–40)
Arterial blood gases
pH 7.4 (7.38–7.49)
PaO2/FiO2 273 (170–312)
PaCO2, mmHg 49 (40–58)
Maximal inspiratory pressure, cmH2O 24 (17–35)
Number of spontaneous breathing trial, n 1 (1–2)
  1. Results are shown as number (%) or median (Q1–Q3). SAPS II, simplified acute physiology score; SOFA, Sequential organ failure assessment. PEEP, positive end-expiratory pressure