Table 2.

Crude Incidence Rates for Death among SLE and LN patients, stratified by Race/Ethnicity

	Adult SLE Patients, n= 42,221
	Number of Patients	Number of Events	Person-years, mean (SD)	MR* (95% CI)	MR Ratio (95%CI)
All patients	42,221	2,058	2.56 (1.99)	19.07 (18.36–19.91)
White	16,219	824	2.41 (1.97)	20.17 (18.84–21.60)	1.0 (Ref)
Black	16,959	1,040	2.54 (1.98)	24.13 (22.71–25.64)	1.19 (1.09–1.31)
Hispanic	6,489	119	2.58 (2.00)	7.12 (5.95–8.52)	0.35 (0.29–0.43)
Asian	1,880	29	2.98 (2.15)	5.18 (3.60–7.45)	0.26 (0.18–0.37)
Native American	677	46	2.47 (1.94)	27.52 (20.61–36.74)	1.36 (1.01–1.83)

	Adult Lupus Nephritis Patients, n= 8,191
	Number of Patients	Number of Events	Person-years, mean (SD)	MR* (95% CI)	MR Ratio (95%CI)
All patients	8,191	774	2.12(1.77)	44.64 (41.60- 47.90)
White	1,988	230	2.16(1.80)	53.49 (47.01–60.87)	1.0 (Ref.)
Black	4,099	461	2.05(1.72)	54.95 (50.16–60.20)	1.03 (0.88–1.20)
Hispanic	1,418	52	2.12(1.76)	17.33 (13.21–22.74)	0.32 (0.24–0.44)
Asian	545	18	2.46(1.95)	13.45 (8.47–21.35)	0.25 (0.16–0.41)
Native American	141	13	2.19(1.72)	42.05 (24.42–72.42)	0.79 (0.45–1.37)

^*MR = annual mortality rate per 1,000 person years, SD= Standard deviation