Table 2.

Baseline characteristics of the patients.

Variables
Gender ratio (%f/%m)	40/60
Age (months)	21 (11–48)
Height (cm)	93.5 (71.8–111.5)
IBW (kg)	13.5 (8.8–19.8)
OI	3.9 (3–7)
PIM3	11.9 (5.9–21.2)
Admission diagnosis ( n , %)
Respiratory A.pneumonia A.bronchiolitis LRTI Chylothorax Laryngotracheomalacia	9, 30
Neurologic SE Meningoencephalitis	7, 23
Renal/Metabolic RTA HUS DKA	5, 17
Cardiovascular VSD PDA AS	3, 10
HAI CLABSI	2, 7
Other Trauma Gastrointestinal surgery	4, 13
Lung physiology ( n , %)
Restrictive	10, 33
Mixed	10, 33
Obstructive	5, 17
Normal	5, 17

Data are expressed in median and interquartile range (25th−75th) or percentage.

IBW, Ideal body weight; ABW, Actual body weight; OI, Oxygenation index, PIM3, Pediatric index of mortality 3, probability of death; A.pneumonia, Acute pneumonia; A.bronchiolitis, Acute bronchiolitis; LRTI, Lower respiratory tract infection; VSD, Ventricular septal defect; PDA, Patent ductus arteriosus; AS, Aortic stenosis; RTA, Renal tubular acidosis; HUS, Hemolytic uremic syndrome; DKA, Diabetic Keto Acidosis; SE, Status epilepticus; HAI, Healthcare-associated infections; CLABSI, Central line related blood stream infection.