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Table 5 Clinical Characteristics and the Risk of Progression of CAC (among those RA patients with Detectable CAC at baseline)

From: Progression of coronary artery atherosclerosis in rheumatoid arthritis: comparison with participants from the Multi-Ethnic Study of Atherosclerosis

Demographics

B (95% CI)

Adjusted B a (95% CI)

  Age, years

-0.3 (-0.6, 1.3)

NA

  Male sex

8.3 (-8.1, 24.6)

NA

  Caucasian race; number (%)

28.0 (2.2, 53.7)

NA

  Education; number (%)

-2.8 (-22.1, 16.5)

-2.3 (-24.3, 19.7)

   Some college or higher

  

Cardiovascular Risk Factors

  

  Diabetes; number (%)

-6.5 (-32.5, 19.5)

9.8 (-18.8, 38.4)

  Hypertension (%)

13.1 (-2.3, 28.6)

5.4 (-14.6, 25.5)

   Systolic BP, mm Hg

-0.3 (-0.8, 0.2)

-0.2 (-0.8, 0.4)

   Diastolic BP, mm Hg

0.1 (-0.8, 1.0)

0.1 (-1.0, 1.2)

  Dyslipidemia (%)

16.7 (-1.2, 34.6)

14.0 (-4.8, 32.8)

   Total cholesterol, mg/dL

-0.1 (-0.3, 0.1)

-0.0 (-0.3, 0.2)

   LDL cholesterol, mg/dL

0.0 (-0.3, 0.2)

0.1 (-0.3, 0.4)

   HDL cholesterol, mg/dL

-0.1 (-0.4, 0.4)

0.2 (-0.4, 0.9)

   Triglycerides, mg/dL

-0.03 (-0.1, 0.0)

-0.1 (-0.2, 0.0)

  Cigarette Smoking

  

   Current; number (%)

19. 9 (-5.7, 45.5)

10.8 (-19.5, 41.2)

Serum inflammatory markers at baseline

  

  CRP, mg/L; median (IQR)

3.2 (-3.5, 9.9)

4.4 (-3.0, 11.7)

  IL-6, pg/mL; median (IQR)

-1.8 (-11.4, 7.8)

-0.8 (-11.4, 9.9)

  Fibrinogen, mg/dL; median (IQR)

19.0 (-10.6, 48.5)

13.9 (-20.0, 47.8)

Disease characteristics at baseline

  

  Disease duration (years)

0.4 (-0.4, 1.2)

0.6 (-0.28, 1.5)

  RF

3.9 (-13.2, 21.0)

7.0 (-11.6, 25.6)

  Anti-CCP

4.2 (-15.9, 24.4)

-1.5 (-25.5, 22.5)

  SE

2.2 (-16.2, 20.6)

-6.8 (-27.8, 14.3)

  DAS28

5.1 (-2.4, 12.7)

6.5 (-1.5, 14.5)

  HAQ

-5.1 (-17.6, 7.4)

-0.8 (-16.5, 14.9)

  Sharp score

-0.0 (- 0.1, 0.1)

-0.0 (-0.1, 0.1)

  Current use of MTX

-2.9 (-19.6, 13.7)

-3.2 (-17.9, 23.2)

  Current use of biologic agents

15.8 (-1.5, 33.0)

18.5 (-1.4, 38.4)

  Current use of corticosteroids

-8.6 (-25.8, 8.1)

-5.3 (-26.1, 15.3)

  Disease characteristics, expressed as average over follow-up

  

  DAS28

2.0 (-7.6, 11.6)

4.8 (-6.0, 15.5)

  CRP

-3.9 (-11.2, 3.5)

-1.1 (-9.7, 7.5)

  IL-6

-5.4 (-13.6, 2.9)

-6.0 (-16, 4.0)

  Fibrinogen pg/mL; median (IQR)

-7.3 (-45, 29)

-6.1 (-50, 38)

  1. aAdjusted for age, sex, race, hypertension, diabetes, smoking, dyslipidemia. BP, blood pressure; CAC, coronary artery calcium; CCP, cyclic citrullinated peptide; CRP, C-reactive protein; DAS28, disease activity score in 28 joints; HAQ, Health Assessment Questionnaire; HDL, high density lipoprotein; IQR, interquartile range; IRR, incidence rate ratio; LDL, low density lipoprotein; MTX, methotrexate; RA, rheumatoid arthritis; rheumatoid factor; RR, relative risk; SE, shared epitope.