Investigation of prevalence and distributing feature of chronic heart failure in Chinese adult population

Objective To investigate the prevalence and distributing feature of chronic heart failure (CHF) in Chinese adult population Methods Four stage selected random samples aged 35-74 years were used to analyze the prevalence and distributing feature of self reported congestive heart failure in different age, sex and regional groups The sampled adult population were collected from 10 provinces (5 in north and 5 in south) in China The urban and rural population accounted for 50% each, so was the proportion of male to female Results A total of 15 518 adults were surveyed The prevalence of CHF was 0 9%, 0 7% and 1 0% for the general population, the males and females, respectively The females had CHF more frequently than the males ( P 0 05) The prevalence of CHF was 0 4%, 1 0%, 1 3% and 1 3% in 35-44, 45-54, 55-64, 65-74 years of age groups, respectively The prevalence of CHF increased substantially with aging The prevalence of CHF was 1 4% and 0 5% in northern and southern population, respectively; and the prevalence was 1 1% and 0 8% in urban and rural population, respectively The risk of CHF was higher in northern than in southern China and was higher in urban than in rural area Conclusion CHF is becoming an important component of the public health problem of cardiovascular diseases in China