Table 5.

Predictors of mortality during AIH hospitalizations

Factor	OR	95% CI		P-value
		Lower	Upper
Age, yr
Age	1.05	1.03	1.07	<0.01
Gender
Male	REF
Female	0.44	0.24	0.83	0.01
Race
White	REF
Black	2.81	1.44	5.48	<0.01
Latino	1.62	0.78	3.37	0.20
API, NA, and other	0.32	0.04	2.46	0.28
Payer
Medicare	REF
Medicaid	2.98	1.02	8.77	0.05
Private including HMO	2.39	1.05	5.42	0.04
Self-pay	0.49	0.05	4.54	0.53
No charge	2.83	0.61	13.15	0.19
Other	1.45	0.28	7.54	0.66
Residence
Central metro >1 mil	REF
Fringe metro >1 mil	0.81	0.36	1.81	0.60
Metro 250 K–1 mil	1.04	0.51	2.10	0.92
Metro 50–250 K	0.90	0.33	2.49	0.84
Micropolitan	0.65	0.24	1.73	0.39
Not metro or micropolitan	1.02	0.32	3.27	0.98
Zip code income
Bottom quartile	REF
2nd quartile	0.67	0.35	1.29	0.23
3rd quartile	0.81	0.37	1.76	0.60
Top quartile	0.87	0.38	1.96	0.73
Region
East	REF
Midwest	1.54	0.57	4.14	0.39
South	1.30	0.61	2.76	0.49
West	1.37	0.57	3.28	0.49
Cirrhosis
No cirrhosis	REF
Cirrhosis	1.71	0.99	2.95	0.05

AIH, autoimmune hepatitis; API, Asian Pacific islander; NA, Native American; yr, year.