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Table 2 Incidence rate of CAC (among participants with no CAC at baseline)

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

 

RA

Controls

(Number = 73)

(Number = 381)

Incident CAC, number

20

65

Person-year

243

895

Incidence rate (100 person/year)

8.2

7.3

Unadjusted IRR

1.14 (0.73, 1.75)

  IRR - Model 1a

1.28 (0.83–1.98)

  IRR - Model 2b

1.02 (0.63, 1.65)

  IRR - Model 3c

1.11 (0.66, 1.88)

  1. aAdjusted for age; badjusted for age, gender, ethnicity, smoking, dyslipidemia, diabetes, and hypertension; cinteraction with gender (P for interaction = 0.56). CAC, coronary artery calcium; IRR, incidence rate ratio; RA, rheumatoid arthritis.
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Arthritis Research & Therapy

ISSN: 1478-6362

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