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1965년 봄 대전지방에 유행 임상 및 역학적 관찰

1965 Spring Influenza Epidemic of Taejon City, Korea, Clinical and Epidemiologic Study

최신의학 1965년 8권 11호 p.41 ~ 47
洪起禹, 이홍균,
소속 상세정보
洪起禹 (  ) - 가톨릭대학교 의학부 내과
이홍균 (  ) - 가톨릭대학교 의학부 내과

Abstract


1. The author made a clinical and epidemiologic observation of 1965 spring influenza epidemic of Taejon City area, Korea, on the subjects of 509 clinical cases and total 5,116 inhabitants of 795 families, data gathered by a home visit survey of 5 sample city areas, devided, according to geographic section; Eastern, wester, northern, southern and central, and one area of suburb of this city, and by an inquiry form gathered through a number of a high school students.
2. The epidemic started about one month later than seoul, that is, approximatly from 20th of March and lasted until the end of April.
It could be estimated that about 43% of total population of the city had been infected. And the inhibita. nts of southern area where the central city market place is lccatd and the condition of the living is mostly crowded showed the highest rate of infection (55.4%). The suburb area where the living is the least crowded showed the lowest rate.
The one who initiated the ilness among a family were much frequently (50.4%) belong to the adult group with age of more than 21years old and more in male (25.4%) than female (19.2%). The reason for this could be said that because their social life activities were much active and broader and so much the risk of infection from outside would be higher.
Although among the clinicial cases the age group of under 5 years old showed highest rate (50.4%), among the general population the adult age group showed the highest rate (47.1%).
As a general the male showed slightly higher infection rate than female (57.6% to 42.4%).
3. The severity of the ilness among the clinical cases could be classified 43.6% minimal, 40.1% moderate 16.3% severe and there were more severe cases in the age group of under 5 years (36.3%).
There was no definite correlation between the fever and the number of leukocyt count; 16.2% of clinical cases showed no fever when they first visited hospital, 9.15% showed higher than 39´C, 11.6% showed the leukocyte count of 6,000 or less per I cu mm, while 12.1% showed 10,000 or more.
Total complications occured among clinical cases rated 17.9%, among them 65,9% were pneumonias, 22% were bronchitis, 8.8% were gastroenteritis, 3.3% were exsudative pleurisys.
And there was no immediate influenzal death observed.
4. As for the initial symptoms of influenza inquired from 871 cases the feeling ii having a fever was the most frequent (86.4%) and the next was cough (42%) One remarkable among the initael symptoms to be noted was the complaints of throat pain without objective visible change of throat and it acounted 24.8%
The major symptoms during the illness were very similar with previous several other reports such as cough, fever, headache, general malaise, joint pain, so on.
5. The duration of illness in the majority lasted 3 to 10 days, the most frequent one was 5 days, the next was 4 days.
15% of total cases except children of under 5 years age were obliged to get on bed or abscent from their jobs or schools for the illness and the average days wasted was 2.5 days. From this figure it can be estimated that 3 or 4 patients out of 10 patients spent I day for influenza.
6. Approximately estimated average expenditures for the tretment of influenza was 526 won for one family, 190 won for each patient, maximam 13,290 minim 6 won, The sum of the payment for the drugs without proper medical consultation was larger than the sum for the medical treatment (101 won to 89 won).
One peculiar phenomen was that, the country side patients payed relatively more per one capital patient and particulary the ratio of hospital payments was larger than city patients. It is suspected that the patients in suburb area they would visit hospital too lately when the illness became very severe without paying any attention in the beginning, consequently needs more expensive treatment.

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