Table 3.

Multivariate regression linear analysis for radiographic progression.

BSE95% CIp
Larsen-Scott score at 2 years
  Larsen score at baseline0.8810.1160.65, 1.110.000
  Smoking (past vs nonsmoker)0.4862.529–4.52, 5.490.848
  Smoking (current vs nonsmoker)4.2741.9100.49, 8.050.027
  Women7.1422.2172.75, 11.530.02
  HLA-DRB*04+5.0971.6241.88, 8.310.002
EJC score at 2 yrs
  Larsen score at baseline0.8210.0770.67, 0.970.000
  Smoking (past vs nonsmoker)–0.0650.372–0.8, 0.670.861
  Smoking (current vs nonsmoker)0.6030.2820.05, 1.160.034
  Women0.7920.3270.14, 1.440.017
  HLA-DRB*04+0.6320.2390.16, 1.110.009
  • EJC: erosion joint count; B: regression coefficient.