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
Beta | p Value | HR | 95% CI for Exp (B) | ||
Lower | Upper | ||||
Panel A: Crude model | |||||
Time-averaged DAS28 | 0.383 | <0.001 | 1.466 | 1.204 | 1.786 |
Age | 0.060 | <0.001 | 1.062 | 1.043 | 1.082 |
Gender | 0.848 | <0.001 | 2.336 | 1.549 | 3.521 |
Panel B: Full model | |||||
Time-averaged DAS28 | 0.468 | <0.000 | 1.597 | 1.279 | 1.994 |
Age | 0.056 | <0.001 | 1.057 | 1.037 | 1.077 |
Gender | 0.954 | <0.001 | 2.595 | 1.712 | 3.933 |
Hypertension baseline | 0.920 | <0.001 | 2.508 | 1.566 | 4.018 |
DAS28 baseline | −0.048 | 0.587 | 0.953 | 0.802 | 1.133 |
Panel D: Full model | |||||
Time-averaged DAS28 binary; (≤3.2) | −0.630 | 0.007 | 0.533 | 0.337 | 0.843 |
Age | 0.058 | <0.001 | 1.060 | 1.040 | 1.080 |
Gender | 0.803 | <0.001 | 2.231 | 1.491 | 3.339 |
Hypertension baseline | 0.882 | <0.001 | 2.417 | 1.506 | 3.879 |
DAS28 baseline | 0.042 | 0.614 | 1.043 | 0.886 | 1.228 |
DAS28, 28-joint disease activity score.