Table 2

Impact of disease activity state on damage accrual

UnivariableP valueModel 1
HR (95% CI)
P valueModel 2
HR (95% CI)
P valueModel 3
HR (95% CI)
P value
Not on remissionRefRef
Remission0.471 (0.273 to 0.815)0.0070.456 (0.252 to 0.826)0.010
ActiveRefRef
LLDAS/remission0.509 (0.282 to 0.920)0.0250.503 (0.260 to 0.975)0.042
ActiveRefRef
LLDAS (not on remission)0.871 (0.374 to 2.027)0.7480.878 (0.369 to 2.087)0.768
Remission0.444 (0.240 to 0.824)0.0100.423 (0.212 to 0.846)0.015
Age at diagnosis1.003 (0.981 to 1.026)0.7781.016 (0.990 to 1.042)0.2381.017 (0.991 to 1.044)0.2081.017 (0.991 to 1.044)0.204
Gender, female0.637 (0.213 to 1.903)0.4190.631 (0.229 to 1.738)0.3730.653 (0.226 to 1.887)0.4310.646 (0.227 to 1.835)0.412
Educational level, years0.936 (0.847 to 1.003)0.1890.877 (0.748 to 1.030)0.1100.889 (0.756 to 1.045)0.1550.879 (0.749 to 1.031)0.113
Socioeconomic status
 LowRefRefRefRef
 Medium1.411 (0.759 to 2.622)0.2760.882 (0.405 to 1.919)0.7590.908 (0.410 to 2.013)0.8130.871 (0.397 to 1.910)0.871
 High0.72 (0.418 to 2.263)0.9480.337 (0.080 to 1.423)0.1390.349 (0.090 to 1.514)0.1660.340 (0.081 to 1.432)0.141
Disease duration at baseline, years1.052 (1.011 to 1.095)0.0121.062 (1.017 to 1.109)0.0061.061 (1.016 to 1.108)0.0081.064 (1.018 to 1.111)0.006
Antimalarial use
 CurrentRefRef
 Past0.983 (0.358 to 2.695)0.9730.870 (0.281 to 2.696)0.8090.921 (0.293 to 2.892)0.8880.872 (0.274 to 2.780)0.818
 Never1.614 (0.259 to 10.051)0.6081.629 (0.237 to 11.192)0.6201.607 (0.234 to 11.026)0.6291.601 (0.229 to 11.213)0.635
SDI1.177 (1.005 to 1.378)0.0431.044 (0.859 to 1.269)0.6681.052 (0.863 to 1.282)0.6141.038 (0.852 to 1.264)0.711
  • Model 1: remission versus not on remission.

  • Model 2: LLDAS (including remission) versus active.

  • Model 3: remission, LLDAS (not on remission) and active.

  • LLDAS, lupus low disease activity state; Ref, reference; SDI, Systemic Lupus International Collaborating Clinics/American College of Rheumatology Damage Index.