Table 3.

Respiratory and ventilator support among patients who required respiratory support at birth

	Patients with respiratory support at birth
	Age ≤5 years (n=82)	All patients (N=126)	US patients (n=90)	Non-US* patients (n=36)
Tracheostomy, n (%)	40 (48.8)	76 (60.3)	60 (66.7)	16 (44.4)
Age at tracheostomy (months), n	38		60	14
Mean (SD)	4.7 (4.3)	9.5 (19.9)	10.1 (21.9)	7.3 (6.0)
Quartiles (25th, median, 75th)	2, 4, 6	2, 3, 8	2, 3, 7	3, 6, 9
Ventilator-dependent ≥16 hours per day, n (%)
Yes	47 (57.3)	72 (57.1)	57 (63.3)	15 (41.7)
No	18 (22.0)	30 (23.8)	19 (21.1)	11 (30.6)
Not documented	17 (20.7)	24 (19.0)	14 (15.6)	10 (27.8)

Column header counts are the number of patients who have non-missing mortality data. For each characteristic, n refers to the number of patients with non-missing data for that characteristic.

*Europe, Canada, South America and Australia.