Table 1.

Patients' characteristics.

Characteristics (N = 64)	N (%) or median (25–75 IQR)
Age (months)	2.95 (0.95–47.5)
Female gender	26 (41%)
Body weight (kg)	5.3 (3.8–15.5)
Height/length (cm)	58 (52–75)
Length of PICU stay (days)	10.0 (7.0–16.5)
Mechanical ventilation duration (days)	7.5 (5.0–12.0)
Mechanical ventilation (at the time of measurements):
Non-invasive ventilation	27 (42%)
Invasive ventilation	37 (58%)
PIM2 score	3.8 (1.1–18.9)
PELOD2 score	6 (3-12)
Surgical diagnoses	16 (25%)
Main diagnoses
Cardiology	2 (3.1%)
Respiratory	31 (48.4%)
Neurology	23 (35.9%)
Gastro-enterology-hepatology	2 (3.1%)
Infectious diseases	3 (4.7%)
Trauma	3 (4.7%)

PICU, pediatric intensive care unit; PELOD2, pediatric logistic organ dysfunction score 2; PIM2, pediatric index of mortality score.