Table I.

Demographic characteristics and disease activity as measured by Systemic Lupus Erythematosus Disease Activity Index (SLEDAI) scores in the lupus patients included in our study. Two independent cohorts of lupus patients and age-, sex- and ethnicity-matched controls were included in this study.

Cohort 1									Cohort 2
Patients					Controls				Patients					Controls
Number	Age	Sex	Ethnicity	SLEDAI	Number	Age	Sex	Ethnicity	Number	Age	Sex	Ethnicity	SLEDAI	Number	Age	Sex	Ethnicity
1	33	Female	EA	6	C1	35	Female	EA	19	22	Female	AA	6	C19	25	Female	AA
2	58	Female	EA	0	C2	53	Female	EA	20	51	Female	EA	3	C20	47	Female	EA
3	33	Female	EA	4	C3	30	Female	EA	21	58	Female	EA	6	C21	55	Female	EA
4	50	Female	AA	4	C4	52	Female	AA	22	54	Female	EA	10	C22	50	Female	EA
5	36	Female	EA	0	C5	41	Female	EA	23	25	Female	EA	4	C23	24	Female	EA
6	25	Female	EA	2	C6	26	Female	EA	24	18	Female	EA	4	C24	23	Female	EA
7	58	Female	EA	2	C7	58	Female	EA	25	36	Female	EA	2	C25	36	Female	EA
8	35	Female	AA	0	C8	35	Female	AA	26	40	Female	EA	2	C26	45	Female	EA
9	30	Female	EA	2	C9	27	Female	EA	27	34	Female	AA	4	C27	32	Female	AA
10	30	Female	AA	4	C10	32	Female	AA	28	41	Female	EA	6	C28	38	Female	EA
11	40	Female	EA	4	C11	40	Female	EA	29	63	Female	EA	0	C29	58	Female	EA
12	57	Female	AA	2	C12	57	Female	AA	30	38	Female	EA	12	C30	36	Female	EA
13	41	Female	EA	4	C13	45	Female	EA	31	39	Female	EA	2	C31	41	Female	EA
14	29	Female	EA	2	C14	34	Female	EA	32	53	Female	EA	2	C32	53	Female	EA
15	25	Female	AA	0	C15	27	Female	AA	33	24	Female	EA	4	C33	26	Female	EA
16	26	Female	Asian	4	C16	29	Female	Asian	34	33	Female	AA	4	C34	34	Female	AA
17	66	Female	EA	0	C17	64	Female	EA	35	40	Female	EA	6	C35	40	Female	EA
18	34	Female	EA	2	C18	30	Female	EA	36	34	Female	AA	2	C36	38	Female	AA

SLEDAI, Systemic Lupus Erythematosus Disease Activity Index; EA, European-American; AA, African-American.