Table 2.

Prevalence of clinical features in different ancestral backgrounds.

Clinical feature	African Americans	European Americans	Hispanic Americans	Asian Americans
Malar rash	0.49	0.53	0.70	0.60
Discoid rash	0.31	0.08	0.26	0.50
Photosensitivity	0.08	0.08	0.13	0.30
Oral ulcers	0.35	0.32	0.48	0.25
Arthritis	0.85	0.86	0.81	1.00
Serositis	0.34	0.35	0.43	0.20
Hemolytic anemia*	0.10	0.05	0.20	0.25
Lymphopenia*	0.83	0.76	1.00	0.75
Thrombocytopenia	0.14	0.05	0.00	0.10
Leukopenia	0.39	0.23	0.13	0.50
Neurologic symptoms	0.14	0.12	0.09	0.00
Anti-Smith antibody	0.41	0.18	0.39	0.40
Anti-DNA antibody	0.51	0.56	0.22	0.60
Antiphospholipid antibody*	0.42	0.43	1.00	0.25
ANA	0.98	0.91	0.95	0.88

*Data for these ACR criteria were only available for 130 SLE patients—84 African Americans, 37 European Americans, 5 Hispanic Americans, and 4 Asian Americans.