RESUMO
An epidemiological study was conducted to determine the geographical variations in stroke mortality among three U.S. areas. They were Savannah, Georgia (high stroke rates), Hagerstown, Maryland (intermediate stroke rates) and Pueblo, Colorado (low stroke rates). In each area samples were drawn of the population in the 35--54 age group. The subjects were interviewed and examined to obtain the information required on medical conditions and/or living habits which would characterize each area. A brief medical and family history, as well as demographic and personal data, were obtained by interview. The medical examination included blood pressure, ECG, blood and urine chemistry, height and weight. In all three cities the response rate in the final sample selected was 90% (2,375 individuals) interviewed and 74% (1.939 individuals) examined.
Assuntos
Transtornos Cerebrovasculares/mortalidade , Adulto , Negro ou Afro-Americano , Fatores Etários , Colorado , Feminino , Geografia , Georgia , Humanos , Masculino , Maryland , Pessoa de Meia-Idade , Fatores Sexuais , População BrancaRESUMO
An epidemiological study was conducted of geographic differences in stroke mortality between the following areas within the United States; Savannah, Georgia (high stroke rates), Hagerstown, Maryland (intermediate stroke rates) and Pueblo, Colorado (low stroke rates). Population samples 35--54 years of age of the three cities were drawn for interview and examination to determine medical conditions and living habits of these populations. The population samples were compared with emphasis on possible risk factors for stroke: serum cholesterol and glucose tolerance test determinations, weight and height measurements, blood pressure and cigarette smoking. The gradient of increasing prevalence of stroke-related risk factors from low to intermediate to high for the three cities was present for blood pressure in black females and white males and for glucose tolerance tests in whites and nonwhites. No other consistent pattern of increasing prevalence of risk factors for stroke was evident.
Assuntos
Transtornos Cerebrovasculares/mortalidade , Adulto , Negro ou Afro-Americano , Angina Pectoris/epidemiologia , Pressão Sanguínea , Estatura , Peso Corporal , Transtornos Cerebrovasculares/epidemiologia , Colesterol/sangue , Colorado , Dispneia/epidemiologia , Feminino , Geografia , Georgia , Humanos , Hipertensão/epidemiologia , Ataque Isquêmico Transitório/epidemiologia , Masculino , Maryland , Pessoa de Meia-Idade , Potássio/urina , Fatores Sexuais , Fumar/epidemiologia , Sódio/urina , População BrancaRESUMO
PIP: In a letter to the editor, the author comments on an article by Dr. C. Hougie on thromboembolism and oral contraceptives, in which he concluded that oral contraceptives do not predispose toward thromboembolic disease. The author of the letter takes exception with the reasoning and interpretation of the above article. Dr. C. Hougie responds why he did not accept the generally accepted causal interpretation of retrospective studies. The author, however, does agree with Dr. Hougie that an association between oral contraceptives and thromboembolic disease has not been established.^ieng
