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Table 1 Patients' characteristics at baseline

From: Diaphragm ultrasound as indicator of respiratory effort in critically ill patients undergoing assisted mechanical ventilation: a pilot clinical study

Characteristic Value
Age, years 71 (51; 78)
Height, cm 169 ± 7
Weight, kg 74 (72; 85)
Body mass index, kg/cm2 26.4 (23.9; 30.1)
Sex  
Male 21 (84%)
Female 4 (16%)
Simplified acute physiology score 2 29.2 ± 7.6
Type of surgery  
Abdominal 10 (40%)
Vascular 5 (20%)
Endocrine 4 (16%)
Urologic 3 (12%)
Others 3 (12%)
Richmond agitation-sedation scale score  
−1 9 (36%)
0 16 (64%)
Length of stay, days 2.6 ± 2.2
Length of mechanical ventilation, days 1.4 ± 0.9
  1. Results are presented as median (IQR), mean ± SD, or number (percent).