Table 4.

The adjusted effect of admission location on secondary measures of resource utilization. *NICU referent

		Total Hospital LOS		Total ICU LOS				Preoperative LOS			Days of mechanical ventilation
Age at admission		Adjusted difference	95% CI	p-value	Adjusted difference	95% CI	p- value	Adjusted difference	95% CI	p- value	Adjusted difference	95% CI	p- value
0–1 days
	CICU	−5.4	−7.4, −3.5	<0.001	−5.4	−7.2, −3.6	<0.001	−1.9	−2.2, −1.6	<0.001	−2.8	−4.3, −1.4	<0.001
	PICU	1.0	−1.6, 3.6	0.4	0.2	−2.0, 2.5	0.8	−1.2	−1.6, −1.0	<0.001	0.7	−1.2, 2.5	0.5
2–7 days
	CICU	−8.1	−10.9, −5.7	<0.001	−7.7	−10.1, −5.3	<0.001	−2.1	−2.6, −1.7	<0.001	−2.5	−3.9, −1.1	0.001
	PICU	−6.7	−9.5, −3.9	<0.001	−6.8	−9.4, −4.3	<0.001	−1.7	−2.2, −1.3	<0.001	−2.7	−4.3, −1.2	0.001
8–14 days
	CICU	−8.0	−11.1, −4.8	<0.001	−9.2	−12.5, −6.0	<0.001	−1.6	−2.1, −1.1	<0.001	−2.7	−4.7, −0.7	0.008
	PICU	−6.4	−9.8, −3.0	<0.001	−5.5	−8.8, −2.2	0.001	−1.3	−1.9, −0.8	<0.001	−1.9	−4.0, 0.3	0.1
>15 days
	CICU	−9.2	−14.3, −4.1	<0.001	−6.4	−11.0, −1.9	0.006	−0.5	−1.0, 0.0	0.06	−2.8	−6.5, 1.0	0.2
	PICU	−8.6	−13.8, −3.4	0.001	−4.9	−9.5, −0.3	0.04	−0.8	−1.3, −0.3	0.001	−2.7	−6.4, 1.1	0.2

LOS – length of stay, NICU - Neonatal intensive care unit, CICU - cardiac intensive care unit, PICU - Pediatric intensive care unit