TABLE 2—

Incidence of Outpatient and Acute Service Utilization Before and After SPI-SFU: Suicide Assessment and Follow-Up Engagement: Veteran Emergency Treatment Project, United States, 2009–2012

	3 Mo After ED Visit Without SPI-SFU			3 Mo After ED Visit With SPI-SFU
Service Type	Mean (95% CI)	Total, No.	Max, No.	Mean (95% CI)	Total, No.	Max, No.	s (Wilcoxon rank-sum)	P
Mental health and substance abuse visits combined	6.88 (4.28, 9.48)	660	57	10.79 (6.53, 15.06)	1036	130	523	.02
Mental health visits	4.52 (2.63, 6.41)	434	54	5.57 (3.33, 7.81)	535	80	471	.02
Substance abuse visits	2.35 (0.78, 3.92)	227	44	5.21 (1.65, 8.77)	501	100	75	.26
ED visits	0.84 (0.57, 1.11)	81	6	0.66 (0.47, 0.85)	63	4	−107	.32
Hospitalizations for suicide risk	0.33 (0.21, 0.45)	32	2	0.23 (0.11, 0.36)	22	4	−60	.15

Note. ED = emergency department; SPI-SFU = safety plan intervention–structured follow-up.