. Author manuscript; available in PMC: 2014 Dec 1.

Published in final edited form as: Arthritis Rheum. 2013 Dec;65(12):3186–3193. doi: 10.1002/art.38131

Table 1.

Demographic characteristics of the 2 groups of patients with SLE^*

Patients Characteristics	LUMINA n = 588	Hopkins n = 215	p
Sex, % female/male	86/14	90/10	0.117
Ethnicity, %			< 0.001
• African American	43.0	39.1
• Caucasian	22.0	52.1
• Other	35.0	8.8
Age, mean (range) years	36.8(19-66)	45.9(19-81)	< 0.001

SLE= systemic lupus erythematosus;

LUMINA – Lupus in Minorities, Nature versus nurture