Table 1.
Demographic characteristics of patients in the Hopkins Lupus Cohort (n = 2102). Data are n (%) unless otherwise indicated.
| Characteristics | Total Cohort, n = 2102 | White, n = 1183 | African American, n = 780 | Other Ethnicities, n = 139 |
|---|---|---|---|---|
| Age at SLE onset, yrs, mean (SD) | 29.4 (12.7) | 29.6 (13.3) | 29.6 (11.8) | 26.4 (11.8) |
| Age at SLE diagnosis, yrs, mean (SD) | 32.6 (12.9) | 33.7 (13.4) | 31.7 (12.0) | 28.7 (12.4) |
| Age at last assessment, yrs, mean (SD) | 42.9 (13.5) | 43.7 (13.7) | 42.8 (13.2) | 36.9 (12.2) |
| Disease duration from SLE diagnosis to last visit, yrs, mean (SD) | 10.8 (8.2) | 10.5 (7.9) | 11.5 (8.9) | 8.9 (6.2) |
| Sex | ||||
| Women | 1940 (92.3) | 1082 (91.5) | 727 (93.2) | 131 (94.2) |
| Men | 162 (7.7) | 101 (8.5) | 53 (6.8) | 8 (5.8) |
| Ethnicity | ||||
| White | 1183 (56.3) | – | – | – |
| African American | 780 (37.1) | – | – | – |
| Other | 139 (6.6) | – | – | – |
| Photosensitivity | 1129 (53.9) | 740 (62.9) | 323 (41.5) | 66 (47.5) |
| Arthritis | 1540 (73.8) | 840 (71.6) | 605 (78.1) | 95 (68.8) |
| Neurologic | 78 (3.8) | 35 (3.0) | 40 (5.2) | 3 (2.2) |
| Serositis | 1034 (49.2) | 548 (46.4) | 422 (54.1) | 64 (46.0) |
| Renal | 879 (42.1) | 370 (31.5) | 434 (56.0) | 75 (54.0) |
| Anti-dsDNA | 1322 (63.1) | 702 (59.6) | 517 (66.3) | 103 (74.6) |
| Low complement | 1298 (57.5) | 680 (57.5) | 501 (64.3) | 117 (84.2) |
| Anticardiolipin antibodies | 966 (47.6) | 551 (48.3) | 351 (46.8) | 64 (46.4) |
| Lupus anticoagulant | 537 (26.5) | 326 (28.5) | 177 (23.6) | 34 (25.2) |
| Raynaud's phenomenon | 1094 (52.2) | 654 (55.5) | 377 (48.4) | 63 (45.7) |