Table 1.
Baseline characteristics
| N | All | Group 1 - No AF | Group 2 - New onset AF | p | OR (CI 95%) |
|---|---|---|---|---|---|
| 6325 | 5960 (94.2%) | 365 (5.8%) | |||
| Female (%) | 24.2 | 23.6 | 34.2 | < 0.001 | 1.69 (1.35-2.12) |
| Age (years) ≥ 75 (%) | 63 ± 13 | 62 ± 13 | 71 ± 13 | < 0.001 | 3.24 (2.61-4.01) |
| 21.6 | 20.1 | 44.9 | < 0.001 | ||
| BMI >30 (%) | 20.1 | 20.2 | 18.3 | 0.413 | 0.89 (0.67-1.18) |
| Arterial hypertension (%) | 59.6 | 59.0 | 69.1 | < 0.001 | 1.55 (1.23-1.95) |
| Diabetes mellitus (%) | 23.7 | 23.4 | 28.8 | 0.021 | 1.32 (1.04-1.67) |
| Dyslipidemia (%) | 51.1 | 51.4 | 47.7 | 0.186 | 0.86 (0.69-1.07) |
| Smoking habits (%) | 38.6 | 39.3 | 28.6 | < 0.001 | 0.55 (0.43-0.69) |
| Family history of coronary disease (%) | 8.5 | 8.8 | 2.4 | < 0.001 | 0.25 (0.12-0.53) |
| Prior MI (%) | 10.1 | 10.1 | 9.9 | 0.881 | 0.97 (0.68-1.39) |
| Prior PCI (%) | 8.5 | 8.7 | 5.8 | 0.051 | 0.64 (0.41-1.00) |
| Prior CABG (%) | 1.0 | 0.9 | 2.5 | 0.011 | 2.71 (1.33-5.52) |
| Valvular heart disease (%) | 0.9 | 0.7 | 3.4 | < 0.001 | 4.61 (2.41-8.81) |
| History of heart failure (%) | 1.4 | 1.3 | 3.6 | < 0.001 | 2.81 (1.55-5.11) |
| Previous stroke (%) | 5.4 | 5.0 | 10.4 | < 0.001 | 2.19 (1.53-3.12) |
| Peripheral artery disease (%) | 2.6 | 2.5 | 5.0 | 0.004 | 2.06(1.25-3.40) |
| Pacemaker/ ICD (%) | 0.4 | 0.4 | 0.5 | 0.647 | 1.48 (0.35-6.32) |
| Chronic renal disease (%) | 2.9 | 2.8 | 4.1 | 0.132 | 1.51 (0.88-2.59) |
| CPOD (%) | 3.4 | 3.2 | 6.9 | < 0.001 | 2.23 (1.45-3.43) |
| Dementia (%) | 1.9 | 1.7 | 5.3 | < 0.001 | 3.18 (1.92-5.27) |
Values are mean±SD, median (P25; P75) or n (%). AF: atrial fibrillation; BMI: body mass index; MI: myocardial infarction; PCI: percutaneous coronary intervention; CABG: coronary artery bypass graft; ICD: implantable cardio-defibrillator; COPD: chronic obstructive pulmonary disease.