Table 1.
Baseline Characteristics of Participants With or Without AF During Follow‐Up
| Characteristics | Participants Without AF (n=27 715) | Participants With AF (n=2067) | P Value |
|---|---|---|---|
| Type of AF | |||
| Paroxysmal/persistent | ··· | 41.6 (861) | ··· |
| Permanent | ··· | 36.4 (752) | ··· |
| Other | ··· | 22.0 (454) | ··· |
| Male sex | 46.7 (12 949) | 55.5 (1148) | <0.001 |
| Age, y | 45.0 (14.0) | 62.4 (11.8) | <0.001 |
| BMI, kg/m2 | 25.2 (3.9) | 26.9 (4.2) | <0.001 |
| Total cholesterol, mmol/L | 5.91 (1.29) | 6.68 (1.22) | <0.001 |
| Triglycerides, mmol/L | 1.53 (1.04) | 1.75 (1.06) | <0.001 |
| HDL cholesterol, mmol/L | 1.49 (0.41) | 1.50 (0.43) | 0.41 |
| Systolic blood pressure, mm Hg | 132 (19) | 150 (24) | <0.001 |
| Diastolic blood pressure, mm Hg | 77 (12) | 85 (13) | <0.001 |
| Hypertensiona | 31.5 (8730) | 69.6 (1439) | <0.001 |
| Smoking | 36.6 (10 103) | 27.9 (575) | <0.001 |
| Physical activityb | 33.3 (9222) | 21.0 (433) | <0.001 |
| Self‐reported MI | 3.8 (1044) | 17.6 (364) | <0.001 |
| Self‐reported diabetes mellitus | 1.5 (424) | 4.8 (99) | <0.001 |
Values are given as percentages (absolute numbers) or as means (SDs). AF indicates atrial fibrillation; BMI, body mass index; HDL, high‐density lipoprotein; and MI, myocardial infarction.
a
Systolic blood pressure ≥140 mm Hg and/or diastolic blood pressure ≥90 mm Hg and/or current use of antihypertensive drugs.
b
One or more hours of moderate or hard physical activity per week.