Skip to main content

Table 6 Prevalences of ECG abnormalities with presence of CVD risk factors and history of cardiovascular/cerebrovascular diseases

From: Prevalences and associated factors of electrocardiographic abnormalities in Chinese adults: a cross-sectional study

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
  1. LBBB left bundle branch block, RBBB right bundle branch block, IVCD intravascular conducting delay, AV atrial-ventricular, CVD cardiovascular disease
  2. *, ** and *** refer to p < 0.05, p < 0.01 and p < 0.001 respectively. Gender and age were adjusted to calculate the p values by multivariate logistic regression analysis. The prevalences of ECG findings in participants present with CVD risk factors was compared with those absent of CVD risk factors
  3. aThe prevalences of ECG findings in participants with history of cardiovascular/cerebrovascular diseases was compared with those without history of cardiovascular/cerebrovascular diseases