Table 4. Population incidence of acute admissions and acute admissions with inpatient deaths by race/ethnicity, California, 2010–2011.

Population: Age 18 and older

	Census population 2010–2011 (person years)	# admissions for acute conditions	Crude rate of acute admissions per 1,000 person years	Adjusted risk ratio of acute admissions per 1,000 person years (reference=Whites)	# acute conditions admissions with inpatient death	Crude rate of acute admissions with inpatient death per 1,000 person years	Adjusted risk ratio of acute admissions with inpatient death per 1,000 person years (reference=Whites)
All
Whites	19,669,525	234,075	11.9	1.0	24,900	1.27	1.0
Blacks	2,494,215	32,396	13.0	1.80*	1,959	0.79	1.30
Hispanics	14,077,451	69,621	4.9	0.76*	5,246	0.37	0.73*
Asians	5,988,108	34,901	5.8	0.59*	3,174	0.53	0.62*
Age 18–64
Whites	15,565,896	61,021	3.9	1.0	2,678	0.17	1.0
Blacks	2,157,499	16,629	7.7	2.18*	623	0.29	1.91*
Hispanics	12,921,196	29,268	2.3	0.73*	1,252	0.10	0.84*
Asians	5,107,035	9,940	1.9	0.54*	481	0.09	0.65*
65+
Whites	4,103,629	173,054	42.2	1.0	22,222	5.42	1.0
Blacks	336,716	15,767	46.8	1.11*	1,336	3.97	0.73*
Hispanics	1,156,255	40,353	34.9	0.83*	3,994	3.45	0.64*
Asians	881,074	24,961	28.3	0.68*	2,693	3.06	0.57*

Notes:

1) Overall census population figures for California during 2010 and 2011 were obtained from the Census Bureau online database. Note that since we examined admissions for only the first 6 months of 2011, we have used half of the 2011 census population figures.

2) Risk ratio of the two outcomes are estimated by negative binomial regression at the cohort level (N=48) using age, sex, race/ethnicity and discharge year as covariates.