Table 3

Crude and adjusted models of plaque prevalence and burden

 ControlsRA (crude)RA (adjusted)*
OR (95% CI)p ValueOR (95% CI)p Value
CAC>0†1 (ref)2.6 (1.5 to 4.5)<0.00012.5 (1.2 to 5.2)0.01
Plaque presence†
 Any plaque1 (ref)3 (1.9 to 4.8)<0.00012.9 (1.6 to 5.3)0.0001
 NCP1 (ref)2.2 (1.4 to 3.5)0.0012.1 (1.2 to 3.8)0.02
 MP1 (ref)2.8 (1.5 to 5.3)0.0012.5 (1.1 to 5.6)0.03
 CP1 (ref)2.4 (1.2 to 4.5)0.0092.7 (1.1 to 6.6)0.04
Plaque burden score (PBS)‡
 Any plaque1 (ref)3 (1.9 to 4.6)<0.00012.7 (1.8 to 4.6)<0.0001
 NCP1 (ref)2.2 (1.4 to 3.4)<0.00011.9 (1.1 to 3.4)0.02
 MP1 (ref)3.1 (1.7 to 5.8)<0.00012.9 (1.3 to 6.6)0.01
 CP1 (ref)2.5 (1.3 to 4.7)0.0062.6 (1.1 to 6.3)0.03
  • *Adjusted for age, gender, hypertension, diabetes, hyperlipidemia, family history, and smoking.

  • †Logistic regression analysis.

  • ‡Ordinal logistic regression analysis.

  • CAC, coronary artery calcium; MP, mixed plaque; NCP, non-calcified plaque; CP, calcified plaque; RA, rheumatoid arthritis.