ECG abnormalities | CVD risk factors (except age and gender) | History of cardiovascular/cerebrovascular diseases | ||||
---|---|---|---|---|---|---|
None (%) | One (%) | Two (%) | Three or more (%) | Without (%) | With (%)a | |
Major arrhythmias | 1.19 | 1.76 | 1.95 | 2.17* | 1.61 | 5.72*** |
 Atrial fibrillation or flutter | 0.23 | 0.36 | 0.12 | 0.67 | 0.21 | 2.70*** |
 Complete LBBB | 0.06 | 0.14 | 0.07 | 0.34 | 0.11 | 0.17 |
 Complete RBBB | 0.55 | 0.65 | 1.32** | 0.78 | 0.84 | 1.99 |
 Nonspecific IVCD | 0.16 | 0.25 | 0.16 | 0.27 | 0.21 | 0.48 |
 Mobitz Type II or III AV conduction defects | 0.03 | 0.06 | 0.07 | 0.05 | 0.05 | 0.01 |
 Supraventricular or ventricular rhythm/tachycardia | 0.05 | 0.16 | 0.14 | 0.05 | 0.09 | 0.10 |
 WPW | 0.09 | 0.11 | 0.05 | 0.02 | 0.08 | 0.20 |
Minor arrhythmias | 9.38 | 11.63 | 8.84 | 10.84 | 9.95 | 9.28 |
 Sinus bradycardia | 2.93 | 3.49 | 2.31 | 2.00 | 2.84 | 1.98 |
 Sinus tachycardia | 1.53 | 1.82 | 1.55 | 1.72 | 1.72 | 0.70 |
 Atrial or junctional or ventricular premature beats | 1.63 | 1.56 | 1.83 | 1.04 | 1.53 | 2.30** |
 Incomplete RBBB | 0.83 | 1.36 | 0.74 | 1.31 | 0.97 | 0.67 |
 Mobitz Type I AV conduction defect | 0.29 | 0.64 | 0.40 | 0.39 | 0.48 | 0.27 |
 Short PR interval | 0.94 | 0.65 | 0.49 | 0.27 | 0.69 | 1.64 |
Other ECG abnormalities except arrhythmias | ||||||
 ST depression and T abnormalities | 9.82 | 10.04*** | 12.56*** | 15.36*** | 10.59 | 21.83*** |
 Q wave abnormalities | 0.94 | 1.19 | 1.67** | 2.99*** | 1.24 | 1.88** |
 Q wave abnormalities plus ischemic ST-T abnormalities | 0.18 | 0.11 | 0.11 | 0.31 | 0.15 | 2.16** |
 ST elevation | 0.51 | 1.78* | 0.43 | 0.73 | 0.92 | 0.07 |
 Tall R wave left | 2.52 | 5.45*** | 6.11*** | 5.52*** | 4.18 | 7.62** |
 Tall R wave right | 0.13 | 0.19 | 0.34* | 0.12 | 0.21 | 0.54 |
 Left/right atrial hypertrophy | 0.22 | 0.39 | 0.33 | 0.05 | 0.33 | 0.36 |
 Left axis deviation | 1.60 | 2.04* | 2.58*** | 3.99*** | 2.10 | 2.95* |
 Right axis deviation | 0.55 | 0.85 | 0.45 | 0.17 | 0.68 | 2.01 |
 Low voltage | 1.46 | 0.84 | 0.49 | 0.51 | 0.96 | 0.75 |