Table 2. LAD tertiles and AF risk factors of 1,424 participants: the Suita study.
| LAD 1st tertile (<29.8 mm) |
LAD 2nd tertile (29.8–33.7 mm) |
LAD 3rd tertile (≥33.8 mm) |
|
| Number of participants | 475 | 483 | 466 |
| Men, % | 27.2 | 42.4 | 54.9 |
| Age, years | 66 | 66 | 69 |
| BMI, kg/m2 a | 20.7 | 22.5 | 24.3 |
| Overweight, %b | 4.1 | 18.6 | 51.0 |
| Systolic blood pressure, mm Hga | 123 | 128 | 134 |
| Diastolic blood pressure, mm Hga | 75 | 78 | 81 |
| Medication for hypertension, %b | 11.9 | 18.1 | 32.9 |
| Hypertension, %b | 21.7 | 36.1 | 51.5 |
| Glucose, mg/dLa | 99 | 102 | 105 |
| HbA1c, %a | 5.4 | 5.4 | 5.5 |
| Medication for diabetes, %b | 2.6 | 5.2 | 7.6 |
| Non-HDL cholesterol, mg/dLa | 149 | 150 | 149 |
| Medication for dyslipidemia, %b | 10.8 | 18.9 | 18.1 |
| Arrhythmia other than atrial fibrillation, %b | 9.0 | 15.1 | 8.4 |
| Valvular heart disease, %b | 1.9 | 2.0 | 1.6 |
| History of coronary heart disease, %b | 1.8 | 1.4 | 2.5 |
| Current smoking, %b | 7.2 | 14.3 | 26.1 |
| Current excessive alcohol drinking, %b | 10.5 | 14.4 | 28.1 |
AF, atrial fibrillation; BMI, body mass index; Hb, hemoglobin; HDL, high density lipoprotein; LAD, left atrial dimension.
Overweight is defined as BMI ≥25.0 kg/m2.
Valvular heart disease includes history of valvular heart disease, aortic regurgitation (moderate or greater), mitral regurgitation (moderate or greater), and/or aortic stenosis (AS) in echocardiography.
Excessive alcohol drinking is defined as drinking 2 drinks and more/day.
aAge adjusted using analysis of covariance (ANCOVA).
bAge adjusted using direct method with 5-year age groups population of Suita city in 2008.