Table 2.

Clinical Service Use in Year 1 and Change in Use from Year 1 and Year 2^*

	Interpreter Services Group (n = 327)			Comparison group (n = 4053)
Service	YR1	YR2–YR1	P Value†	YR1	YR2–YR1	P Value†
Office visits	8.26	1.80	<.01	7.44	0.70	<.01
Phone calls	2.40	0.58	.01	3.21	0.39	<.01
Urgent care visits	1.23	0.24	.05	0.92	0.17	<.01
Urgent care calls	0.17	0.08	.11	0.26	0.29	.04
Prescriptions written	6.06	1.76	<.01	5.34	0.53	<.01
Prescriptions filled	8.32	2.33	<.01	8.64	0.86	<.01

^*Reported as number of each service used per person-year.

^†Paired t tests.