Abstract
Population-based survey on cardiovascular diseases was carried out in two districts of Osaka Prefecture and in two districts of Akita Prefecture. Evaluation of blood pressure, ECG findings, ocular fundus finding and serum lipid levels was made on 4, 412 persons (ages ranging 40-69 y.o.) Following results were obtained. 1) Hypertension, hypertensive changes and cerebral apoplexy were more frequent in Akita than in two districts of Osaka. 2) Incidence of the changes due to ischemic heart diseases were relatively low in all study districts. 3) Serum lipid levels were higher in urban than in rural area.
