Table 2

Predicting factors for flares at Cox regression analysis

HR95% CIP value
Age, years0.930.89 to 0.970.001
Disease duration, years0.970.92 to 1.010.234
SLEDAI 2K1.110.81 to 1.540.497
SDI1.550.77 to 3.110.211
(HCQm) ng/mL0.990.993 to 0.9990.027
Time remission0.790.62 to 1.010.054
Renal involvement1.120.49 to 2.540.785
Glucocorticoids2.140.89 to 5.150.086
Immunosuppressive therapy3.661.59 to 8.430.002
HCQ dosage0.490.21 to 1.180.113
  • HCQ, hydroxychloroquine; SDI, Systemic Lupus International Collaborating Clinics/American College of Rheumatology Damage Index of SLE; SLEDAI, SLE Disease Activity Index.