Table 4

Conventional Cox-proportional hazard regression analysis with time to first CVD event as the primary outcome and time-averaged DAS28 as the primary independent variable, before (panel A) and after (panel B) correction for confounders

Betap ValueHR95% CI for Exp (B)
LowerUpper
Panel A: Crude model
Time-averaged DAS280.383<0.0011.4661.2041.786
 Age0.060<0.0011.0621.0431.082
 Gender0.848<0.0012.3361.5493.521
Panel B: Full model
Time-averaged DAS280.468<0.0001.5971.2791.994
 Age0.056<0.0011.0571.0371.077
 Gender0.954<0.0012.5951.7123.933
 Hypertension baseline0.920<0.0012.5081.5664.018
 DAS28 baseline−0.0480.5870.9530.8021.133
Panel D: Full model
Time-averaged DAS28 binary; (≤3.2)−0.6300.0070.5330.3370.843
 Age0.058<0.0011.0601.0401.080
 Gender0.803<0.0012.2311.4913.339
 Hypertension baseline0.882<0.0012.4171.5063.879
 DAS28 baseline0.0420.6141.0430.8861.228
  • DAS28, 28-joint disease activity score.