Table 1. Characteristics and clinical features of SLE patients included in this study.
| Phenotypes | European-derived, n (%) | African American, n (%) | Asian, n (%) | Hispanic, n (%) |
|---|---|---|---|---|
| Total individuals | 4001 | 1590 | 1191 | 1547 |
| Women | 3655 (91.3) | 1465 (92.1) | 1095 (92) | 1412 (91.3) |
| Men | 346 (8.7) | 125 (7.9) | 96 (8) | 135 (8.7) |
| Age of onset (mean±SD) | 33.6±13.7 | 34±12.3 | 26.3±10.8 | 29.5±11.7 |
| Malar rash | 2262/3583 (63.1) | 733/1587 (46.2) | 572/1191 (48.0) | 915/1544 (59.3) |
| Discoid rash | 617/3376 (18.2) | 530/1588 (33.4) | 90/1189 (7.6) | 194/1543 (12.6) |
| Oral ulcers | 1673/3538 (47.3) | 538/1586 (33.9) | 430/1188 (36.2) | 620/1541 (40.2) |
| Photosensitivity | 2512/3793 (66.2) | 747/1585 (47.1) | 401/1187 (33.8) | 915/1540 (59.4) |
| Arthritis | 3211/3911 (82.1) | 1316/1586 (83.0) | 741/1190 (62.3) | 1098/1545 (71.1) |
| Renal disorder | 1226/3533 (34.7) | 795/1586 (50.1) | 559/1191 (46.9) | 700/1522 (46.0) |
| Serositis | 1455/3587 (40.6) | 683/1516 (45.1) | 229/1018 (22.5) | 398/1365 (29.2) |
| Neurological disorder | 606/3330 (18.2) | 380/1492 (25.5) | 101/1067 (9.5) | 219/1543 (14.2) |
| Haematological disorder | 2213/3348 (66.1) | 1055/1414 (74.6) | 930/1189 (78.2) | 870/1373 (63.4) |
SLE, systemic lupus erythematosus.