Table 4—

Reduced lung function and relative risk (RR) (95% confidence interval (CI)) of incident atrial fibrillation (AF) hospitalisation

New AF hospitalisationModel 1#Model 2
FEV1 % predRR (95% CI)RR (95% CI)
All cases of≥80%1 (1)1 (1)
AF60–80%1.46 (1.13–1.89)**1.31 (1.00–1.70)*
<60%2.14 (1.54–2.98)***1.82 (1.29–2.56)**
AF as main≥80%1 (1)1 (1)
diagnosis60–80%1.37 (0.85–2.19)1.28 (0.79–2.06)
<60%2.83 (1.65–4.85)***2.53 (1.45–4.42)**
  • Results are from Cox proportional hazards regression analysis

  • FEV1 % pred: forced expiratory volume in one second % predicted

  • #: stratified by sex, adjusted only for age

  • : stratified by sex and adjusted for age, systolic blood pressure, diabetes, treatment with diuretics, body mass index, chest pain, smoking and education

  • *: p<0.05

  • **: p<0.01

  • ***: p<0.001