Baseline characteristics of the groups with and without osteonecrosis (ON)
ON group | Non-ON group | |
Age (years) | ||
Mean | 34.1 | 35.1 |
Range | 16–66 | 13–63 |
Sex | ||
Female | 29 | 39 |
Male | 3 | 1 |
Initial corticosteroid dose1-151 | ||
(mg/day equivalent prednisolone) | 58.2 (10.1) | 58.6 (16.6) |
SLEDAI1-150 1-151 | 27.2 (12.3) | 25.1 (9.8) |
MPPT1-150 | 18 | 17 |