prevalence rate
3.Results The prevalence rate of CHD for middle and old people in countryside of Liaoning was 3.64%,and the standardized prevalence rate was 3.58%.
8.Prevalence rate of three kinds of above abnormal metabolism was 19.4%,and the prevalence rate in females (26.8%) was higher than that of males (14.6%),and the difference was significant (P < 0.05).

