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Epidemiol Health : Epidemiology and Health



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HOME > Epidemiol Health > Volume 3(1); 1981 > Article
Special edition An household-interview survey of stroke on sampled Seoul population, Korea
Joung Soon Kim
Epidemiol Health 1981;3(1):23-36
DOI: https://doi.org/
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Mortality and morbidity due to stroke have shown a trend of increase in recent decades and became an important public health problem, being the major cause of death and disability. Despite the urgent necessity of control program for the stroke at national level, epidemiologic information on the stroke to establish efficient program are rarely available. This study was carried out during the September and October of 1979 on 14,423 house-holds(63,603 persons) of Seoul sampled randomly by Tong unit from five categories of socioeconomic stratification. The interview was conducted by trained health workers with structured questionnaires. The ultimate objective of the study was to collect information on prevalence, functional level of the disability, and management pattern of the stroke by selected variables. Because of the limited validity of the study method, interview survey, other research such as incidence, fatality ratio, risk factors, and natural history of stroke were reserved for another opportunity to study. The results obtained are as followings: 1. The point prevalence rates of the stroke per 100,000 population surveyed were 181.1 for male, 122.5 for female and 150.9 for both sexes. Age adjusted rates with 1975 Korean census population for comparison were 227.8 for male, 157.7 for female and 193.7 for both sexes, which were much higher than that of rural Korean, Kang Wha County. Age, Sex and socioeconomic class adjusted rate of stroke for the Seoul population was 201.1 per 100,000. 2. Age specific prevalence rates for both sexes showed a steep increase as age advanced after the age of 40 years; the increase was more prominent for females of 50’s age group. 3. Age adjusted prevalence rate of the stroke by socioeconomic class that was based on the proportion of households under medical assistance program in Tong unit were 209.7/100,000 for high class area residents (0-4.9% of households receiving medical assistance from the gov.), 174.1 for middle class (5.0-9.9%), and 185.4 for low class(over 10%). 4. Among the disability resulted from the stroke hemiplegia was the most frequent one being over half of the disability for both sexes;right side for males and left side for females were predominantly involved. Speech and visual disturbances were 16.5% and 15.5% respectively. Quadriplegia that was 14.7% appeared to be overnumerated for debilitated older ages. 5. Functional level of the patients classified by WHO group in terms of performance in activities of daily living and avocational and occupational activities showed that only 6.9% of the patients belonged to class I, no significant impairments, 27.6% to class II, mildly impaired, 46.0% to class III,moderately impaired, and 19.5% to class IV, severely impaired. 6. Among 87 out of 96 patients who could provide information on treatment at the onset of stroke, 13.8% of them were hospitalized, 19.6% attended out-patient clinic, 10.3% purchased drugs from drug stores, and 33.3% were treated by Chinese medicine mainly of acupuncture. 7. Twenty of 87 patients never been treated;the older the age and lower the socioeconomic status, the less treatment. Actively treated cases at the onset of the stroke seemed to have better results in terms of functional recovery.

Epidemiol Health : Epidemiology and Health