Estimated prevalence and incidence of adult Still's disease: Findings by a nationwide epidemiological survey in Japan

Kenji Wakai, Akihide Ohta, Akiko Tamakoshi, Yoshiyuki Ohno, Takashi Kawamura, Rie Aoki, Masayo Kojima, Yingsong Lin, Shuji Hashimoto, Yutaka Inaba, Masumi Minowa, Shigeo Aizawa, Yoichi Ichikawa, Nobuyuki Miyasaka

研究成果: Article査読

108 被引用数 (Scopus)

抄録

To estimate prevalence and incidence of adult Still's disease in Japan, and to describe the epidemiological features of the patients, a nationwide epidemiological survey was conducted in 1994. The study consisted of two questionnaires which were distributed to the heads of the relevant departments, randomly sampled, in hospitals throughout Japan. Following major epidemiological findings emerged from the study: (a) The total annual number of patients treated for adult Still's disease was estimated as 1,100 in 1993 in Japan. The estimated crude prevalence among those aged 16 years or older were calculated as 0.73 and 1.47 per 100,000 population for males and females, respectively, with the corresponding crude incidence rate of 0.22 and 0.34. (b) The sex ratio (female to male) of the reported patients was 2.1. This female predominance might be specific to Japan, though additional surveys in other countries will be warranted. The mean age of the patients was 38.1 years, and female patients tended to be older than male ones; 50% of the female patients aged 40 years or older, while so did only 28% of the male patients.

本文言語English
ページ(範囲)221-225
ページ数5
ジャーナルJournal of epidemiology
7
4
DOI
出版ステータスPublished - 1997

All Science Journal Classification (ASJC) codes

  • Epidemiology

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