Table 2.

Incidence rates of ESRD by patient characteristics (n=28,779)

Variable	No. at Risk	ESRD Events	Time at Risk (×1000 person-yr)	Incidence Rate (×1000 person-yr)
All	28,779	1730	198.8	8.7
Age (yr)
18–39	2145	297	14.7	20.3
40–49	4961	442	34.4	12.9
50–59	7132	475	48.1	9.9
≥60	14,538	516	101.7	5.1
Sex
Women	14,876	661	106.6	6.2
Men	13,903	1069	92.2	11.6
Race or ethnicity
White	11,757	376	78.7	4.8
Black	4930	684	33.4	20.5
Hispanic	3466	239	25.4	9.4
Asian	6247	355	46.6	7.6
Other race or ethnicity	2379	76	14.7	5.2
Comorbidities
No hypertension	15,254	674	107.7	6.3
Hypertension	13,525	1056	91.1	11.6
No diabetes	22,210	926	156.0	5.9
Diabetes	6569	804	42.8	18.8
No viral disease	22,860	1301	160.6	8.1
HIV, HCV, or HBV	5919	429	38.2	11.2
No substance abuse	22,185	1233	159.8	7.7
Substance abuse	6594	497	39.0	12.7
No cardiovascular disease	20,832	1108	148.1	7.5
Cardiovascular disease	7947	622	50.7	12.3

HBV, hepatitis B virus; HCV, hepatitis C virus.