Table 2.

Health care utilization during transfer period compared to pre-transfer

	IRR*	95% CI	p-value
	All ambulatory care visits
Any Transfer	0.76	[0.66, 0.87]	<0.01
Successful Unilateral Transfer	0.86	[0.69, 1.09]	0.22
Successful Overlapping Transfer	0.70	[0.57, 0.86]	<0.01
Lost to Follow Up	0.70	[0.53, 0.93]	0.02
Pediatric only	1.21	[0.97, 1.52]	0.10
	Acute care visits
Any Transfer	0.22	[0.13, 0.37]	<0.01
Successful Unilateral Transfer	0.30	[0.14, 0.67]	<0.01
Successful Overlapping Transfer	0.18	[0.08, 0.39]	<0.01
Lost to Follow Up	0.14	[0.04, 0.43]	<0.01
Pediatric only	0.25	[0.17, 0.37]	<0.01

^*Incidence rate ratios for each transfer group estimated from negative binomial regression models of health care visits during the observation period compared to baseline period, clustered by subject