Table 4

IR of atrial fibrillation per 1000 person-years, for patients with and without COPD, per age category

AgeWithout COPDWith COPDIRR95% CI
IR95% CICasesPerson-timeIR95% CICasesPerson-time
Males
 ≤642.151.96 to 2.35461214 784.586.044.13 to 8.53325296.482.821.97 to 4.03
 65–749.748.87 to 10.6746147 337.0813.4410.16 to 17.46564165.281.381.05 to 1.82
 ≥7519.2817.33 to 21.3935618 463.8224.9419.12 to 21.39622486.461.290.99 to 1.69
Females
 ≤640.980.85 to 1.12209212 959.883.802.38 to 5.75225796.343.872.49 to 6.00
 65–746.655.99 to 7.3736454 726.7811.928.82 to 15.77494110.531.791.33 to 2.42
 ≥7513.6012.20 to 15.1234325 215.3821.7916.27 to 28.58522386.131.601.20 to 2.16
Total study population
 ≤641.571.45 to 1.69670427 744.454.873.66 to 6.355411 092.833.112.36 to 4.10
 65–748.087.54 to 8.65825102 063.8612.6910.38 to 15.361058275.811.571.28 to 1.92
 ≥7516.0014.84 to 17.2369943 679.2023.4019.30 to 28.111144872.591.461.20 to 1.78
  • IR per 1000 person-years. Person-time in years.

  • COPD, chronic obstructive pulmonary disease; IR, incidence rate; IRR, IR ratio.