Table 6.
Predictors of mortality during AIH-related hospitalizations
| Factor | OR | 95% CI | P-value | |
|---|---|---|---|---|
| Lower | Upper | |||
| Age, yr | ||||
| Age | 1.05 | 1.03 | 1.07 | <0.01 |
| Gender | ||||
| Male | REF | |||
| Female | 0.48 | 0.31 | 0.75 | <0.01 |
| Race | ||||
| White | REF | |||
| Black | 2.60 | 1.51 | 4.47 | <0.01 |
| Latino | 1.43 | 0.78 | 2.62 | 0.25 |
| API, NA, and other | 0.50 | 0.16 | 1.55 | 0.23 |
| Payer | ||||
| Medicare | REF | |||
| Medicaid | 2.88 | 1.35 | 6.14 | 0.01 |
| Private including HMO | 1.97 | 1.12 | 3.47 | 0.02 |
| Self-pay | 3.41 | 1.25 | 9.31 | 0.02 |
| No charge | 3.75 | 0.67 | 21.07 | 0.13 |
| Other | 1.87 | 0.53 | 6.56 | 0.33 |
| Residence | ||||
| Central metro >1 mil | REF | |||
| Fringe metro >1 mil | 0.99 | 0.96 | 0.54 | 1.79 |
| Metro 250 K–1 mil | 1.07 | 0.81 | 0.60 | 1.94 |
| Metro 50–250 K | 2.04 | 0.03 | 1.09 | 3.81 |
| Micropolitan | 1.02 | 0.97 | 0.48 | 2.13 |
| Not metro or micropolitan | 0.78 | 0.65 | 0.27 | 2.27 |
| Zip code income | ||||
| Bottom quartile | REF | |||
| 2nd quartile | 0.75 | 0.44 | 1.27 | 0.28 |
| 3rd quartile | 0.89 | 0.50 | 1.59 | 0.69 |
| Top quartile | 0.74 | 0.38 | 1.44 | 0.38 |
| Region | ||||
| East | REF | |||
| Midwest | 0.96 | 0.44 | 2.07 | 0.91 |
| South | 0.95 | 0.53 | 1.68 | 0.85 |
| West | 2.20 | 1.28 | 3.78 | <0.01 |
| Cirrhosis | ||||
| No cirrhosis | REF | |||
| Cirrhosis | 2.02 | 1.34 | 3.05 | <0.01 |
AIH, autoimmune hepatitis; API, Asian Pacific islander; CI, confidence interval; OR, odds ratio; yr, year.