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KMID : 0365220180550010001
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Korean Journal of Public Health
2018 Volume.55 No. 1 p.1 ~ p.12
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Prevalence of Asthma in Children in worldwide and Korea
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Hwang Gyu-Seok
Ham Seung-Hon
Yoon Chung-Sik
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Abstract
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Objectives : Asthma in children has been worldwide disease and lots of research has been conducted for etiology, prevalence and prevention strategy. Most prevalence studies were limited to the specific area, countries, time or some period so that they could only give snap shot of target study population in a given time. The purpose of this study was to review the temporal trend of the prevalence of asthma in children in worldwide and Korea.
Methods : Articles related to the prevalence of asthma or asthmatic symptoms in children, written in English or Korean, were systematically searched using web searching engine. Then, the prevalence rates were described by countries with study design and criteria of asthma diagnosis while in Korea residence area of target population was used instead of country.
Results : The prevalence rates were varied by the diagnostic criteria of asthma. So, the prevalence of parent reported asthma or wheezing symptoms were higher than that of physician diagnostic asthma (PDA).
The prevalence of asthma worldwide has continually increased since 1970 to the late 1990 or 2000. It was 5%, 8.3±6.5%, 13.8±11.1%, 11.4±8.3% in 1970’, 1980’, 1990’, after 2000’, respectively. After 2000’, the trend of the prevalence of asthma seemed to be equilibrium or slightly increased but it is unclear because of variation of data. In Korean, PDA has not changed dramatically but small fluctuation over the decades. The PDA asthma was 8.9 ± 2.8%, 6.0 ±2.9%, and 8.9 ±2.7% in 1980, 1990 and 2000, respectively.
Conclusion : The prevalence rate of asthma worldwide has increased over decades but the increasing rate became unclear after 2000’ while it was steadily continued over decades since 1980’.
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KEYWORD
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Asthma, Children, Diagnosis. Factor, Prevalence, Symptom, Wheeze
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