Table 1.
Individual characteristics.
| Characteristics | AF without comorbidities (n=173) | Typical AF without prevalent CVD (n=1031) | Matched cohort without prevalent CVD (n=1700) |
|---|---|---|---|
| Age*, yrs | 70.5±11.6 | 75.0±11.2 | 70.0 ± 11.3 |
| Age* <60 yrs | 31(18%) | 85(8%) | 354(19%) |
| Men | 92(53%) | 509(49%) | 983(53%) |
| Systolic blood pressure (mmHg) | 128±15 | 142±23 | 135±21 |
| Hypertension treatment | - | 489(48%) | 280(21%) |
| Myocardial infarction | - | - | - |
| Valvular heart disease | - | 110(12%) | 26 (2%) |
| (auscultation) | |||
| Heart failure | - | - | - |
| Diabetes mellitus | - | 114(13%) | 70(4%) |
| CABG or PTCA | - | 83(9%) | 21(1%) |
| Previous stroke | - | - | - |
| Body mass index (kg/m2) | 26.0±3.8 | 27.9±5.5 | 26.4±4.1 |
| ECG PR interval (ms) | 162±20 | 178±41 | 166±23 |
Data was presented as counts (percentages) or mean±standard deviation.
– signifies that the feature was an exclusion criteria.
*
Age was at the beginning of the follow-up period the age when first AF occurred.
Abbreviation: AF = atrial fibrillation; CABG = coronary artery bypass grafting; PTCA = percutaneous transluminal coronary angioplasty; ECG = electrocardiogram.