Comparison of electrocardiographic findings and associated risk factors between Taiwan Chinese and US White adults

Chih Cheng Wu, Wen Ting Yeh, Richard S. Crow, Chyi-Huey Bai, W. H. Pan

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Background: Electrocardiographic (ECG) findings are known to differ by race, however, systematic comparisons of findings between eastern and western countries are rare. Objective: To compare the ECG findings and associated coronary heart disease (CHD) risk factors between Taiwan Chinese and US White adults aged ≧ 40 years. Methods: We compared the prevalence rate of Minnesota Code criteria based ECG findings and associated CHD risk factors by using data from the third National Health and Nutrition Examination Survey (NHANES III) and the Nutrition and Health Survey in Taiwan (NAHSIT, 1993-1996). Results: Examining all the ECG findings collectively, we observed a higher prevalence of major Minnesota Code findings in Taiwan Chinese women than in US White women (15.0% vs. 10.5%), particularly ST segment depression (5.4% vs. 2.4%) and T wave abnormalities (10.8% vs. 4.8%). The prevalence of major Minnesota Code findings was similar in both Taiwan Chinese and US White men (22.7% vs. 19.6%). Taiwan Chinese men had a higher prevalence of ST segment elevation (13.7% vs. 0.9%). Taiwan Chinese also had a higher prevalence of left ventricular hypertrophy with repolarization change than US Whites in both sexes (2.7% vs. 1.4% for men, 4.3% vs. 1.3% for women). Taiwan Chinese had more favorable CHD risk factor profiles than US Whites, including lipid profile, obesity, central obesity, and smoking status. The prevalence of hypertension was similar between the two groups, however, a lower percentage of Taiwan Chinese received treatment. Taiwan Chinese men had a lower prevalence of diabetes mellitus than US White men, whereas Taiwan Chinese women had a higher prevalence than US White women. Conclusion: These results suggest that substantial differences in ECG findings exist between Taiwan Chinese and US Whites which cannot be entirely explained by CHD risk factors alone.

Original languageEnglish
Pages (from-to)224-231
Number of pages8
JournalInternational Journal of Cardiology
Volume128
Issue number2
DOIs
Publication statusPublished - Aug 18 2008
Externally publishedYes

Fingerprint

Taiwan
Coronary Disease
Nutrition Surveys
Abdominal Obesity
Left Ventricular Hypertrophy
Health Surveys
Diabetes Mellitus
Obesity
Smoking
Hypertension
Lipids

Keywords

  • Chinese
  • Coronary heart disease
  • ECG abnormalities
  • Ethnicity
  • Minnesota Code

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Comparison of electrocardiographic findings and associated risk factors between Taiwan Chinese and US White adults. / Wu, Chih Cheng; Yeh, Wen Ting; Crow, Richard S.; Bai, Chyi-Huey; Pan, W. H.

In: International Journal of Cardiology, Vol. 128, No. 2, 18.08.2008, p. 224-231.

Research output: Contribution to journalArticle

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abstract = "Background: Electrocardiographic (ECG) findings are known to differ by race, however, systematic comparisons of findings between eastern and western countries are rare. Objective: To compare the ECG findings and associated coronary heart disease (CHD) risk factors between Taiwan Chinese and US White adults aged ≧ 40 years. Methods: We compared the prevalence rate of Minnesota Code criteria based ECG findings and associated CHD risk factors by using data from the third National Health and Nutrition Examination Survey (NHANES III) and the Nutrition and Health Survey in Taiwan (NAHSIT, 1993-1996). Results: Examining all the ECG findings collectively, we observed a higher prevalence of major Minnesota Code findings in Taiwan Chinese women than in US White women (15.0{\%} vs. 10.5{\%}), particularly ST segment depression (5.4{\%} vs. 2.4{\%}) and T wave abnormalities (10.8{\%} vs. 4.8{\%}). The prevalence of major Minnesota Code findings was similar in both Taiwan Chinese and US White men (22.7{\%} vs. 19.6{\%}). Taiwan Chinese men had a higher prevalence of ST segment elevation (13.7{\%} vs. 0.9{\%}). Taiwan Chinese also had a higher prevalence of left ventricular hypertrophy with repolarization change than US Whites in both sexes (2.7{\%} vs. 1.4{\%} for men, 4.3{\%} vs. 1.3{\%} for women). Taiwan Chinese had more favorable CHD risk factor profiles than US Whites, including lipid profile, obesity, central obesity, and smoking status. The prevalence of hypertension was similar between the two groups, however, a lower percentage of Taiwan Chinese received treatment. Taiwan Chinese men had a lower prevalence of diabetes mellitus than US White men, whereas Taiwan Chinese women had a higher prevalence than US White women. Conclusion: These results suggest that substantial differences in ECG findings exist between Taiwan Chinese and US Whites which cannot be entirely explained by CHD risk factors alone.",
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