Table 1

 Cardiovascular events among subjects with and without rheumatoid arthritis, by age

RANo RARate difference(95% CI)Rate ratio (95% CI)
nEventsPerson-yearsRatenEventsPerson-yearsRate
CV, cardiovascular; MI, myocardial infarction; RA, rheumatoid arthritis.
The rate is events per 1000 person years. The rate difference is the absolute difference (excess) in events per 1000 people-years between patients with RA and those without RA. The composite outcome refers to MI, stroke or cardiovascular death.
All patients25 385252 976
MI37571 3845.32022709 1662.92.4 (1.9–2.9)1.8 (1.7–2.0)
Stroke36371 2605.11902709 4892.72.4 (2.0–2.9)1.9 (1.7–2.1)
CV death43771 9126.13478738 2124.71.4 (0.9–1.9)1.3 (1.2–1.4)
Any CV event1 04270 61214.86428706 0599.15.7 (4.9–6.4)1.6 (1.5–1.7)
Age category (Any CV event)
18–4968733519 9001.868 754109201 8730.51.2 (0.7–1.7)3.3 (2.4–4.5)
50–64817817523 4737.580 617784232 6483.44.1 (3.1–5.0)2.2 (1.9–2.5)
65–74566430915 73519.656 9901617159 25610.29.5 (7.6–11.3)1.9 (1.7–2.1)
75+448862311 41454.646 6153918112 28134.919.7 (16.0–23.4)1.6 (1.5–1.7)