Survey on prevalence rate and influencing factor of coronary heart disease in countryside of Zhangwu county

  Objective   To investigate the prevalence state of coronary heart disease(CHD)in the countryside of Zhangwu county, Liaoning province to confirm whether this county was the high prevalence region of CHD and figure out what factors may be related to the disease.

  Methods   Five thousand, two hundred and eight people aged 15 or elder were sampled by means of whole population random sampling.Physical examination was made, ECG and blood pressure and so on were measured and the related risk factors were investigated with the uniform questionnaire.SPSS 10.0 of statistical software was used for data analysis.

  Results   The standardized prevalence rate of CHD was 3.8% at this region, there was no difference between both male and female.The prevalence rates of CHD were increased with the increas of age.There were significant statistical difference in the prevalence rates of CHD between the different age groups.There was significant difference between blood pressure, lipid and CHD statistically.

  Conclusions   The countryside of Zhangwu county was a high prevalence region of CHD.Hypertension and hyperlipemia, especially the former, may be the most important risk factors for CHD at this region.