Table 2.

Principal Diagnoses and Prior Healthcare Utilization for HIV and Cellulitis Index Admissions in Pre-Intervention (2012–2014) and Post-Intervention (2014–2016) Time Periods

	Pre-Intervention		Post-Intervention		Pre-Intervention		Post-Intervention
	HIV Index Admissions		HIV Index Admissions		Cellulitis Index Admissions		Cellulitis Index Admissions
Variable	N=2049	%	N=2023	%	N=5023	%	N=5326	%
LOS, Mean (SD)	5.4	(5.6)	7.1	(7.8)	6.1	(7.7)	7.1	(7.5)
Principal diagnoses
AIDS-Defining Illness	138	6.7	176	8.7	--	--	--	--
Non-ADI infections	653	31.9	718	35.5	1720	34.2	1964	36.9
Neoplasms	57	2.8	52	2.6	98	2.0	91	1.7
Endocrine, nutritional, metabolic	144	7.0	97	4.8	822	16.4	792	14.9
Blood and blood-forming organs	72	3.5	55	2.7	67	1.3	53	1.0
Mental Illness	64	3.2	57	2.8	113	2.3	86	1.6
Nervous system	66	3.3	50	2.5	71	1.4	59	1.1
Circulatory system	154	7.5	170	8.4	696	13.9	799	15.0
Respiratory system	108	5.3	78	3.9	141	2.8	177	3.3
Digestive system	174	8.5	158	7.8	382	7.6	374	7.0
Genitourinary system	99	4.8	92	4.6	210	4.2	200	3.8
Pregnancy, childbirth	132	6.4	142	7.0	199	4.0	161	3.0
Skin	12	0.6	10	0.5	66	1.3	54	1.0
Musculoskeletal system	19	0.9	30	1.5	72	1.4	94	1.8
Congenital anomalies	0	0.0	1	0.1	4	0.1	1	0.0
Injury and poisoning	100	4.9	91	4.5	263	5.3	322	6.1
Misc Health Status	50	2.4	40	2.0	57	1.1	65	1.2
ED visits prior 12 mo
0	835	40.8	837	41.4	1464	29.2	1429	26.8
1	340	16.6	306	15.1	648	12.9	781	14.7
2	133	6.5	136	6.7	355	7.1	384	7.2
3	102	5.0	104	5.1	278	5.5	327	6.1
4	58	2.8	77	3.8	174	3.5	222	4.2
5	46	2.2	47	2.3	167	3.3	208	3.9
6 or more	535	26.1	516	25.3	1937	38.6	1975	37.1
Inpt visits prior 12 mo
0	1291	63.0	1202	59.4	2555	50.9	2294	43.1
1	358	17.5	347	17.2	943	18.8	1114	20.9
2	189	9.2	178	8.8	527	10.5	654	12.3
3	74	3.6	106	5.2	315	6.3	395	7.4
4	46	2.2	56	2.8	197	3.9	269	5.1
5	27	1.3	41	2.0	124	2.5	181	3.4
6 or more	64	3.1	93	4.6	362	7.2	419	7.9

Abbreviations: LOS= length of stay, SD= standard deviation, Misc= miscellaneous, ED= emergency department, Inpt=inpatient, mo=months