Table 2: Prevalence of clinical features in different ancestral backgrounds.

Clinical featureAfrican AmericansEuropean AmericansHispanic AmericansAsian Americans

Malar rash0.490.530.700.60
Discoid rash0.310.080.260.50
Photosensitivity0.080.080.130.30
Oral ulcers0.350.320.480.25
Arthritis0.850.860.811.00
Serositis0.340.350.430.20
Hemolytic anemia*0.100.050.200.25
Lymphopenia*0.830.761.000.75
Thrombocytopenia0.140.050.000.10
Leukopenia0.390.230.130.50
Neurologic symptoms0.140.120.090.00
Anti-Smith antibody0.410.180.390.40
Anti-DNA antibody0.510.560.220.60
Antiphospholipid antibody*0.420.431.000.25
ANA0.980.910.950.88

*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.