Table 1

Baseline characteristics of the groups with and without osteonecrosis (ON)

ON group Non-ON group
Age (years)
 Mean34.135.1
 Range16–6613–63
Sex
 Female2939
 Male31
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 1817
  • 1-150 SLEDAI = SLE Disease Activity Index; MPPT = methylprednisolone pulse treatment.

  • 1-151 Mean (SD).