Comparison of prevalence of atopic dermatitis in Japanese elementary schoolchildren between 2001/2002 and 2007/2008

Comparison of prevalence of atopic dermatitis in Japanese elementary schoolchildren between... Dear Editor, Atopic dermatitis (AD) is an inflammatory skin disease that is characterized by pruritic and eczematous lesions persisting chronically. Various studies have suggested that the prevalence of AD has increased during the past several decades in both Europe and Japan. Sugiura et al. reported that the prevalence of Japanese childhood AD determined by dermatologists’ examination in Shiga Prefecture was 15% in the 9–12‐year age group in 1994 and had doubled in the past 20 years. Yura and Shimizu showed that the lifetime prevalence of AD in Japanese schoolchildren (aged 7–12 years) determined by questionnaire surveys in Osaka Prefecture increased from 15.0% in 1985 to 24.1% in 1993 but leveled off thereafter until 1997. In 2001/2002 we performed a nationwide study of Japanese elementary schoolchildren examined by dermatologists to evaluate the frequency of AD. First‐graders (aged 6–7 years) and sixth‐graders (aged 11–12 years) were examined in eight prefectures of Japan (Hokkaido, Iwate, Tokyo, Gifu, Osaka, Hiroshima, Kochi and Fukuoka). The point prevalence of AD was 11.2% overall (2664/23 719) ranging from 7.4% (Iwate) to 15.0% (Fukuoka) in the eight areas. Overall, the prevalence of first‐graders was slightly higher than that of sixth‐graders (11.8% vs 10.5%). There was no http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The Journal of Dermatology Wiley

Comparison of prevalence of atopic dermatitis in Japanese elementary schoolchildren between 2001/2002 and 2007/2008

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Publisher
Wiley
Copyright
© 2009 Japanese Dermatological Association
ISSN
0385-2407
eISSN
1346-8138
DOI
10.1111/j.1346-8138.2009.00687.x
pmid
19712280
Publisher site
See Article on Publisher Site

Abstract

Dear Editor, Atopic dermatitis (AD) is an inflammatory skin disease that is characterized by pruritic and eczematous lesions persisting chronically. Various studies have suggested that the prevalence of AD has increased during the past several decades in both Europe and Japan. Sugiura et al. reported that the prevalence of Japanese childhood AD determined by dermatologists’ examination in Shiga Prefecture was 15% in the 9–12‐year age group in 1994 and had doubled in the past 20 years. Yura and Shimizu showed that the lifetime prevalence of AD in Japanese schoolchildren (aged 7–12 years) determined by questionnaire surveys in Osaka Prefecture increased from 15.0% in 1985 to 24.1% in 1993 but leveled off thereafter until 1997. In 2001/2002 we performed a nationwide study of Japanese elementary schoolchildren examined by dermatologists to evaluate the frequency of AD. First‐graders (aged 6–7 years) and sixth‐graders (aged 11–12 years) were examined in eight prefectures of Japan (Hokkaido, Iwate, Tokyo, Gifu, Osaka, Hiroshima, Kochi and Fukuoka). The point prevalence of AD was 11.2% overall (2664/23 719) ranging from 7.4% (Iwate) to 15.0% (Fukuoka) in the eight areas. Overall, the prevalence of first‐graders was slightly higher than that of sixth‐graders (11.8% vs 10.5%). There was no

Journal

The Journal of DermatologyWiley

Published: Sep 1, 2009

References

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