Table 2

 Cardiovascular event among subjects with and without rheumatoid arthritis, by age and sex

RANo RARate difference (95% CI)Rate ratio (95% CI)
nEventsPerson-yearsRatenEventsPerson-yearsRate
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 person-years between patients with RA and those without RA. The composite outcome refers to MI, stroke or cardiovascular death.
Women
    All ages180576375105512.418058039485109547.74.8 (3.9 to 5.6)1.6 (1.5 to 1.7)
    18–49501219147961.350189501502080.31.0 (0.5 to 1.4)3.9 (2.5 to 6.0)
    50–64575694167095.6572693481650252.13.5 (2.5 to 4.5)2.7 (2.2 to 3.2)
    65–7438541661096515.1388458611111957.77.4 (5.4 to 9.4)2.0 (1.7 to 2.2)
    75+3435358858441.73427726898452531.89.8 (6.1 to 13.7)1.3 (1.2 to 1.4)
Men
    All ages73284051955720.173296248019510512.78.0 (6.3 to 9.7)1.6 (1.5 to 1.8)
    18–4918611651933.11856559516651.11.9 (0.6 to 3.3)2.7 (1.7 to 4.3)
    50–64242281676312.023348436676226.45.5 (3.3 to 7.8)1.9 (1.5 to 2.3)
    65–741810143477030.0181457564806115.714.2 (9.0 to 18.5)1.9 (1.7 to 2.2)
    75+1235165283058.3123381,2292775744.314.0 (6.3 to 21.8)1.3 (1.1 to 1.5)