Table 1.

Patient Characteristics

	All admissions		Admissions with ACT consult
	N	Percent	N	Percent
Admissions	233,567		7489
Patients
Total	139,061		4719
Patients admitted ≥ 2 times	39,631	28.5	2405	51.0
Patients admitted ≥ 10 times	943	0.7	217	4.6
Demographics (patient-level)
Age (Mean (SD))	57.0 (19.2)		46.7 (13.4)
Male	65,469	47.1	3313	70.2
Race
White	107,979	77.6	3702	78.4
Black or African American	7889	5.7	339	7.2
Hispanic or Latino	7457	5.4	326	6.9
Asian	5913	4.3	43	0.9
Other	3335	2.4	114	2.4
Unknown	6488	4.7	195	4.1
Discharge disposition
Home	179,374	76.8	5160	68.9
Transferred	44,691	19.1	1613	21.5
Left AMA	2209	0.9	642	8.6
Deceased	7174	3.1	70	0.9
Other	119	0.1	4	0.1
Active SUD diagnosis
Alcohol	12,688	5.4	4432	59.2
Opioid	5812	2.5	2316	30.9
Cocaine	2574	1.1	1027	13.7
Stimulant	295	0.1	123	1.6
Sedative	520	0.2	207	2.8
Other/Poly	1758	0.8	668	8.9
Any SUD diagnosis	18,618	8.0	6441	86.0
Number of SUD diagnoses (median (IQR))	1 (1–1)		1 (1–2)
Overdose
Opioid	390	0.2	153	2.0
Other	129	0.1	64	0.9
30-day readmission* (rate (95% CI)
All admissions	14.7 (14.6–14.9)		22.1 (21.4–22.8)
Patients admitted < 10 times	12.7 (12.6–12.8)		16.1 (15.4–16.9)

*Excludes deceased patients