Table 1.

Patient Demographics

Median age (range)	4.5 years (2 months-20 years)
Male	54
Preexisting developmental delay	34
Admission diagnosis
Respiratory insufficiency/failure	48
Neurologic	26
Hematologic/oncologic	8
Infectious/inflammatory	8
Renal/metabolic	6
Cardiac disease	4
Pediatric Index of Mortality II, median (IQR)	1.6% (1.2–4.8%)

Values represented as percentages unless otherwise specifiedIQR, interquartile range.