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Table 4 Incidence rate of ischaemic heart disease per 1000 person-years

From: Incidence of atrial fibrillation, ischaemic heart disease and heart failure in patients with diabetes

Men
Age Without diabetes With diabetes   
IR 95% CI Cases Person-time IR 95% CI Cases Person-time IRR 95% CI
≤ 54 3.06 2.77–3.37 406 132,643.08 9.14 6.64–12.28 44 4812.71 2.99 2.19–4.08
55–64 7.74 7.08–8.44 510 65,918.29 14.11 11.27–17.45 85 6024.63 1.82 1.45–2.29
65–74 11.93 10.85–13.09 446 37,381.03 19.18 16.07–22.72 134 6984.80 1.61 1.33–1.95
≥ 75 14.48 12.52–16.65 196 13,538.92 20.55 16.19–25.72 76 3698.83 1.42 1.09–1.85
Women
Age Without diabetes With diabetes   
IR 95% CI Cases Person-time IR 95% CI Cases Person-time IRR 95% CI
 ≤ 54 1.47 1.27–1.69 193 131,169.68 4.05 2.36–6.49 17 4194.19 2.76 1.69–4.52
55–64 4.28 3.82–4.79 305 71,182.35 10.22 7.78–13.19 59 5771.95 2.39 1.81–3.15
65–74 7.40 6.65–8.21 353 47,722.13 11.72 9.33–14.52 83 7084.93 1.58 1.25–2.01
 ≥ 75 10.06 8.74–11.53 207 20,571.43 11.99 9.01–15.65 54 4502.30 1.19 0.88–1.61
Both
Age Without diabetes With diabetes   
IR 95% CI Cases Person-time IR 95% CI Cases Person-time IRR 95% CI
 ≤ 54 2.27 2.09–2.46 599 263,812.76 6.78 5.18–8.70 61 9006.90 2.98 2.29–3.88
55–64 5.95 5.54–6.37 815 137,100.64 12.21 10.29–14.37 144 11,796.57 2.05 1.72–2.45
65–74 9.39 8.75–10.06 799 85,103.16 15.43 13.44–17.62 217 14,067.73 1.64 1.41–1.91
 ≥ 75 11.81 10.96–13.03 403 34,110.35 15.85 13.24–18.82 130 8201.13 1.34 1.10–1.64
  1. CI: confidence interval; IR: incidence rate; IRR: incidence rate ratio
  2. Incidence rate per 1000 person-years. Person-time in years