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Table 5 Incidence rate of heart failure 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 0.38 0.27–0.50 52 135,654.03 1.50 0.65–2.96 8 5322.10 3.92 1.86–8.25
55–64 1.42 1.16–1.73 101 70,976.84 4.63 3.21–6.47 34 7343.78 3.25 2.21–4.80
65–74 3.75 3.19–4.37 163 43,530.38 10.34 8.37–12.64 95 9185.63 2.76 2.15–3.56
 ≥ 75 13.03 11.37–14.87 220 16,880.96 20.40 16.62–24.79 101 4951.17 1.57 1.28–1.98
Women
Age Without diabetes With diabetes   
IR 95% CI Cases Person-time IR 95% CI Cases Person-time IRR 95% CI
 ≤ 54 0.33 0.24–0.45 44 132,338.64 2.04 0.93–3.87 9 4412.07 6.14 3.00–12.57
55–64 1.09 0.86–1.35 80 73,697.06 6.23 4.46–8.51 40 6400.99 5.76 3.94–8.41
65–74 2.96 2.51–3.48 151 50,947.58 8.92 6.98–11.23 72 8072.97 3.01 2.27–3.99
 ≥ 75 8.93 7.74–10.25 202 22,628.39 15.59 12.74–19.72 85 5329.83 1.79 1.39–2.30
Both
Age Without diabetes With diabetes   
IR 95% CI Cases Person-time IR 95% CI Cases Person-time IRR 95% CI
 ≤ 54 0.36 0.29–0.44 96 267,992.67 1.75 1.02–2.80 17 9734.17 4.88 2.91–8.17
55–64 1.25 1.08–1.45 181 144,673.90 5.38 4.23–6.76 74 13,744.77 4.30 3.28–5.64
65–74 3.32 2.97–3.71 314 94,477.96 9.68 8.26–11.26 167 17,258.61 2.91 2.41–3.51
 ≥ 75 10.68 9.69–11.75 422 39,509.35 18.09 15.58–20.89 186 10,281.00 1.69 1.43–2.01
  1. CI: confidence interval; IR: incidence rate; IRR: incidence rate ratio
  2. Incidence rate per 1000 person-years. Person-time in years