Comparison of demographic and key lupus characteristics in cases and controls. All data are mean (SD) unless otherwise indicated.
| Characteristic | Cases, n = 53 | Controls, n = 96 | p |
|---|---|---|---|
| Disease duration, yrs | 11 (8) | 10 (7) | — |
| Age at event time, yrs | 53 (10) | 42 (10) | < 0.001 |
| Male, n (%) | 11 (20) | 3 (7) | < 0.001 |
| White, n (%) | 46 (88) | 71 (77) | NS |
| Weight, kg, *n = 94 | 74 (17) | 66 (12) | 0.015 |
↵* Total number of subjects for whom information was available for this variable if values were not available for entire group. NS: nonsignificant p value > 0.05.