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ALS is a multistep process in South Korean, Japanese, and Australian patients

Title
ALS is a multistep process in South Korean, Japanese, and Australian patients
Author
오기욱
Keywords
AMYOTROPHIC-LATERAL-SCLEROSIS
Issue Date
2020-02
Publisher
LIPPINCOTT WILLIAMS & WILKINS
Citation
NEUROLOGY, v. 94, no. 15, page. 1657-1663
Abstract
Objective To establish whether amyotrophic lateral sclerosis (ALS) is a multistep process in South Korean and Japanese populations when compared to Australian cohorts. Methods We generated incident data by age and sex for Japanese (collected between April 2009 and March 2010) and South Korean patients with ALS (collected between January 2011 and December 2015). Mortality rates were provided for Australian patients with ALS (collected between 2007 and 2016). We regressed the log of age-specific incidence against the log of age with least squares regression for each ALS population. Results We identified 11,834 cases of ALS from the 3 populations, including 6,524 Australian, 2,264 Japanese, and 3,049 South Korean ALS cases. We established a linear relation between the log incidence and log age in the 3 populations: Australia r(2) = 0.99, Japan r(2) = 0.99, South Korea r(2) = 0.99. The estimate slopes were similar across the 3 populations, being 5.4 (95% confidence interval [CI], 4.8-5.5) in Japanese, 5.4 (95% CI, 5.2-5.7) in Australian, and 4.4 (95% CI, 4.2-4.8) in South Korean patients. Conclusions The linear relationship between log age and log incidence is consistent with a multistage model of disease, with slope estimated suggesting that 6 steps were required in Japanese and Australian patients with ALS while 5 steps were needed in South Korean patients. Identification of these steps could identify novel therapeutic strategies.
URI
https://n.neurology.org/content/94/15/e1657https://repository.hanyang.ac.kr/handle/20.500.11754/161305
ISSN
1526-632X; 0028-3878
DOI
10.1212/WNL.0000000000009015
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COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
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