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Table 3 Incidence rate of atrial fibrillation 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)
40–54 1.00 0.84–1.18 135 134,774.42 1.88 0.95–3.35 10 5327.89 1.87 0.99- 3.56
55–64 4.34 3.87–4.85 301 69,410.39 5.61 4.08–7.54 41 7307.20 1.30 0.93–1.79
65–74 9.45 8.55–10.42 391 41,381.03 12.58 10.40–15.08 112 8904.65 1.33 1.08–1.64
≥ 75 20.84 18.66–23.20 324 15,549.86 20.21 16.50–24.52 98 4849.16 0.97 0.77–1.22
Women
Age Without diabetes With diabetes  
IR 95% CI Cases Person-time IR 95% CI Cases Person-time IRR 95% CI
40–54 0.54 0.43–0.68 72 132,156.27 1.13 0.41–2.50 5 4430.37 2.07 0.84–5.19
55–64 1.76 1.48–2.09 129 73,165.99 3.56 2.31–5.25 23 6466.80 2.02 1.30–3.14
65–74 6.55 5.86–7.29 325 49,643.81 9.60 7.64–11.92 78 8122.77 1.47 1.15–1.89
≥ 75 14.30 12.77–15.97 308 21,538.37 13.63 10.74–17.06 72 5283.53 0.95 0.74–1.23
Men and women
Age Without diabetes With diabetes  
IR 95% CI Cases Person-time IR 95% CI Cases Person-time IRR 95% CI
≤ 54 0.78 6.75–8.87 207 266,930.69 1.54 0.89–2.8 15 9758.27 1.98 1.17–3.35
55–64 3.01 2.74–3.31 430 142,676.38 4.65 3.61–5.90 64 13,773.99 1.54 1.19–2.01
65–74 7.87 7.31–8.46 716 91,024.84 11.16 9.67–12.83 190 17,027.42 1.42 1.21–1.67
≥ 75 17.04 15.75–18.41 632 37,088.23 16.78 14.39–19.45 170 10,132.69 0.98 0.83–1.17
  1. CI: confidence interval; IR: incidence rate; IRR: incidence rate ratio
  2. Incidence rate per 1000 person-years. Person-time in years