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Health-related quality of life in Japanese patients with bladder cancer measured by a newly developed Japanese version of the Bladder Cancer Index

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Title: Health-related quality of life in Japanese patients with bladder cancer measured by a newly developed Japanese version of the Bladder Cancer Index
Authors: Osawa, Takahiro Browse this author →KAKEN DB
Wei, John T. Browse this author
Abe, Takashige Browse this author →KAKEN DB
Honda, Michitaka Browse this author
Yamada, Shuhei Browse this author
Furumido, Jun Browse this author
Kikuchi, Hiroshi Browse this author →KAKEN DB
Matsumoto, Ryuji Browse this author →KAKEN DB
Hirakawa, Kazushi Browse this author
Sato, Yasuyuki Browse this author
Sasaki, Yoshihiro Browse this author
Harabayashi, Toru Browse this author →KAKEN DB
Takada, Norikata Browse this author
Minami, Keita Browse this author
Tanaka, Hiroshi Browse this author
Morita, Ken Browse this author
Kashiwagi, Akira Browse this author
Miyajima, Naoto Browse this author →KAKEN DB
Akino, Tomoshige Browse this author
Murai, Sachiyo Browse this author
Ito, Yoichi M. Browse this author
Fukuhara, Shunichi Browse this author
Ogasawara, Katsuhiko Browse this author →KAKEN DB
Shinohara, Nobuo Browse this author →KAKEN DB
Keywords: Bladder cancer
Quality of life
Bladder cancer index
Cancer survivor
Issue Date: Dec-2020
Publisher: Springer
Journal Title: International journal of clinical oncology
Volume: 25
Start Page: 2090
End Page: 2098
Publisher DOI: 10.1007/s10147-020-01770-2
Abstract: Introduction We validated a Japanese version of the Bladder Cancer Index (BCI) as a tool for measuring health-related quality of life (HRQOL) in bladder cancer patients treated with various surgical procedures. Methods The reliability and validity of the Japanese BCI were examined in 397 Japanese patients with bladder cancer via cross-sectional analysis. The patients simultaneously completed the Short Form (SF)-12, EQ-5D, and the Functional Assessment of Cancer Therapy-General and Bladder (FACT-G and FACT-BL). The differences in BCI subscales among various treatment groups were analyzed. Results This study involved 397 patients (301 males and 96 females), with a mean age of 70 years and a median disease duration of 29 months (IQR: 12-66 months). Of these patients, 221 underwent transurethral resection of a bladder tumor, and 176 patients underwent radical cystectomy (ileal conduit: 101 patients, ileal neobladder: 49, and ureterostomy: 26). Cronbach's alpha coefficient was >= 0.78 for all subscales, except the bowel bother subscale. Despite moderate correlations being detected between the function and bother score in urinary and bowel domains, the sexual function score was inversely correlated with the sexual bother score (r = - 0.19). A missing value percentage of > 15% was associated with old age (p < 0.05). The mean domain scores differed significantly among distinct clinically relevant treatment groups. Conclusions Although revisions are needed to make it easier for elderly patients to comprehend, we confirmed the reliability and validity of the Japanese BCI. The Japanese BCI could be used for cross-cultural assessments of HRQOL in bladder cancer patients.
Type: article
Appears in Collections:北海道大学病院 (Hokkaido University Hospital) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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