Table 2. Relationship between underlying risk factors and prevalence of atrial fibrillation.
| Characteristics | No. (%) of cases | P value | |
|---|---|---|---|
| Non-AF cases (n = 920) | AF cases (n = 23) | ||
| Hypertension | 519 (56) | 10 (44) | 0.217 |
| LVH in ECG | 69 (7.5) | 6 (26.1) | 0.001 |
| Diabetes Mellitus | 169 (18) | 5 (22) | 0.596* |
| Dyslipidemia | 30 (3) | 0 (0) | 1.000* |
| Stroke/TIA | 45 (5) | 0 (0) | 0.621* |
| CHF† | 58† (2) | 4† (11) | 0.005* |
| Ischemic heart disease | 59 (6) | 16 (70) | < 0.001 |
| Smoking‡ | 290‡ (16) | 6‡ (18) | 0.749 |
| Alcohol drinking‡ | 851‡ (47) | 15‡ (46) | 0.835 |
Data are presented as mean±standard deviations or number (percentage).
*Fisher's exact test; †in 3,322 of Non-AF cases and 38 of AF cases; ‡in 1,800 of Non-AF cases and 33 of AF cases. No., number; LVH, left ventricular hypertrophy; TIA, transient ischemic attack.