[Distribution characteristics of types of stroke in three urban area in China].
OBJECTIVE
To analyze the distribution characteristics of types of stroke in china.


METHODS
A prospective study and comprehensive prevention were conducted in urban communities with 300 000 people in Changsha, Beijing and Shanghai, and 2 570 case of stroke at their first occurance were selected with established typing diagnosis (r).


RESULTS
Hemmorrhagic, ischemic, and unclassified stroke accounted for 37.1%, 62.3%, and 0.6% respectively. The proportion of hemmorrhagic stroke was more than 50 percent among persons under 50. The average yearly incidence of stroke was 142.3/100 thousand in the intervention areas and was 187.0/100 thousand in the control areas.


CONCLUSIONS
Prevention should be focused on hemorrhagic stroke for those aged over 50 and on ischemic stroke for those aged less than 50. The average incidence rates of hemmorrhagic and of ischemic stroke were lower in the intervention area than in the control area.
Institute of Neurology, Xiangya Hospital, Central South University, Changsha 410008,China.
Qidong
Q
Yang
Yanhong
Y
Zhou
Wenzhi
W
Wang
Shengping
S
Wu
Zhen
Z
Hong
Maosheng
M
Huang
Yunhai
Y
Liu
Hongwei
H
Xu
D000293:Adolescent; D000328:Adult; D017677:Age Distribution; D000368:Aged; D002648:Child; D002675:Child, Preschool; D002681:China / Q000453:epidemiology; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D017678:Sex Distribution; D020521:Stroke / Q000175:diagnosis / Q000453:epidemiology*; D014057:Tomography, X-Ray Computed