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Characteristics and prognosis of Japanese colorectal cancer patients : The BioBank Japan Project

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Title: Characteristics and prognosis of Japanese colorectal cancer patients : The BioBank Japan Project
Authors: Tamakoshi, Akiko Browse this author →KAKEN DB
Nakamura, Koshi Browse this author →KAKEN DB
Ukawa, Shigekazu Browse this author →KAKEN DB
Okada, Emiko Browse this author →KAKEN DB
Hirata, Makoto Browse this author
Nagai, Akiko Browse this author
Matsuda, Koichi Browse this author →KAKEN DB
Kamatani, Yoichiro Browse this author
Muto, Kaori Browse this author
Kiyohara, Yutaka Browse this author
Yamagata, Zentaro Browse this author
Ninomiya, Toshiharu Browse this author
Kubo, Michiaki Browse this author →KAKEN DB
Nakamura, Yusuke Browse this author →KAKEN DB
BioBank Japan Cooperative Hospital Group Browse this author
Keywords: Colorectal cancer
Prognosis factors
Issue Date: Mar-2017
Publisher: Elsevier
Journal Title: Journal of epidemiology
Volume: 27
Issue: 3, Supplement
Start Page: S36
End Page: S42
Publisher DOI: 10.1016/
Abstract: Background: Colorectal cancer is the third most common cancer worldwide, and in Japan, it is estimated that about 10% of men and 8% of women will be diagnosed with colorectal cancer during their lifetime. Methods: We focused on 5864 participants (3699 men and 2165 women) who had colorectal cancer and were registered with BioBank Japan (BBJ) between April 2003 and March 2008. Characteristics of colon and rectal cancer patients were calculated separately. Among the enrolled patients registered in BBJ within 90 days after diagnosis, we also calculated the 5-year cumulative and relative survival rates, and estimated the effect of lifestyle factors on all-cause mortality. Results: Our participants included younger men than those in the Patient Survey and the Cancer Registry Japan. In more than 95% of cases the histological type was adenocarcinoma both in colon and rectal cancer. Rectal cancer patients tended to eat more meat and less green leafy vegetables compared with colon cancer patients. The 5-year cumulative survival rate was 73.0% (95% CI; 70.1%-75.7%) and the 5year relative survival rate was 80.6% (77.4%-83.6%), respectively, for colon cancer. For rectal cancer, the rates were 73.3% (69.1%-77.0%) and 80.9% (76.3%-85.0%), in the same order. Lifestyle factors such as consuming less green leafy vegetables, being underweight, smoking, not consuming alcoholic beverages and being physically inactive were found to be related to poor survival. Conclusions: We described lifestyle characteristics of colorectal cancer patients in BBJ and examined the impacts on subsequent all-cause mortality.
Type: article
Appears in Collections:医学院・医学研究院 (Graduate School of Medicine / Faculty of Medicine) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 玉腰 暁子

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