title: [An epidemiological study on essential hypertension in northern and western areas of China].
abstract: OBJECTIVE
  To understand the epidemiological characteristics of essential hypertension in the northern and western areas of China.
  
  
  METHODS
  A community-based sampling survey.
  
  
  RESULTS
  Rates of awareness, treatment and control were 78.6%, 59.7% and 5.9%, respectively. About half of the diagnosed and treated patients took antihypertensive medicine irregularly before the survey was carried out.
  
  
  CONCLUSIONS
  It is necessary to carry out education, prevention and control on hypertension and to establish a series of standards for the management and treatment on cases of hypertension.
authors.affiliation: Department of Cardiology, People's Hospital, Peking University, Beijing 100044, China.
authors.forename: Ning-ling
authors.initials: NL
authors.lastname: Sun
authors.forename: Hong-yi
authors.initials: HY
authors.lastname: Wang
authors.forename: Shan
authors.initials: S
authors.lastname: Jing
authors.forename: Quan-zhong
authors.initials: QZ
authors.lastname: Hu
authors.forename: Zhuo-ren
authors.initials: ZR
authors.lastname: Lü
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D001794:Blood Pressure; D002681:China / Q000453:epidemiology; D004334:Drug Administration Schedule; D005260:Female; D006306:Health Surveys; D006801:Humans; D006973:Hypertension / Q000453:epidemiology* / Q000517:prevention & control* / Q000628:therapy; D008297:Male; D008875:Middle Aged; D012307:Risk Factors; D012923:Social Class