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Table 2 Patient baseline characteristics

From: Physiological impact of high-flow nasal cannula therapy on postextubation acute respiratory failure after pediatric cardiac surgery: a prospective observational study

Baseline characteristics Median (IQR)
Age (month) 4.5 (2.8–10.0)
Body weight (kg) 4.0 (2.9–6.8)
Male gender (%) 80
RACHS-1 3 (2–3)
Palliative operation (%) 40
Mechanical ventilation (hours) 75 (9–288)
Cardiac diagnosis n (%)
HLHS 5 (25)
CAVSD 4 (20)
VSD 3 (15)
TOF 2 (10)
Others (SA/SV, TGA, DORV, TAPVR, IAA, TA) 6 (30)
Cause of acute respiratory failure n (%)
Atelectasis 5 (25)
Heart failure/fluid overload 4 (20)
Uncontrolled airway secretion 4 (20)
Upper airway obstruction 2 (10)
Airway bleeding 1 (5)
Hypoventilation (due to sedative drugs) 1 (5)
Weak cough 1 (5)
Unclassified 2 (10)
Outcomes n (% or IQR)
HFNC failure, n (%) 1 (5)
24 h reintubation, n (%) 1 (5)
ICU length of stay (days) 11 (7.5–17)
  1. IQR interquartile range, RACHS-1 risk adjustment for congenital heart surgery, HLHS hypoplastic left heart syndrome, CAVSD complete atrioventricular septal defect, VSD ventricular septal defect, TOF tetralogy of fallot, SA/SV single atrium/single ventricle, TGA transposition of great arteries, DORV double outlet right ventricle, TAPVR total anomalous pulmonary venous return, IAA interruption of aortic arch, TA tricuspid atresia, HFNC high-flow nasal cannula