Characteristics of patients during two study intervals
| Characteristics | 1990–1995 | 1996–2001 |
|---|---|---|
| Results are shown as No (%) unless otherwise stated. | ||
| AMS, adjusted mean SLEDAI. | ||
| No of patients | 559 | 576 |
| Women | 495 (88.6) | 511 (88.7) |
| Ethnicity | ||
| White | 450 (80.5) | 432 (75.0) |
| Black | 45 (8.1) | 48 (8.3) |
| Chinese | 39 (7.0) | 44 (7.6) |
| Other | 25 (4.5) | 52 (9.0) |
| Age at diagnosis, mean (SD) | 32.0 (13) | 31.2 (12.8) |
| Age at entry to study, mean (SD) | 41.1 (13.4) | 42.1 (14.2) |
| Disease duration at entry, mean (SD) | 9.1 (7.5) | 11.0 (9.3) |
| Number dead in interval | 31 | 34 |
| AMS during interval, mean (SD) | 4.7 (3.6) | 5.15 (4.1) |
| Renal disease | 221 (39.5) | 268 (46.5) |
| Nephrotic syndrome | 36 (6.4) | 42 (7.3) |
| Renal insufficiency | 82 (14.7) | 98 (17.0) |