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Long‐term survival and conditional survival of cancer patients in Japan using population‐based cancer registry data
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- Yuri Ito
- Center for Cancer Control and Statistics Osaka Medical Center for Cancer and Cardiovascular Diseases Osaka Japan
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- Isao Miyashiro
- Center for Cancer Control and Statistics Osaka Medical Center for Cancer and Cardiovascular Diseases Osaka Japan
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- Hidemi Ito
- Division of Epidemiology and Prevention Aichi Cancer Research Institute Nagoya Japan
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- Satoyo Hosono
- Division of Epidemiology and Prevention Aichi Cancer Research Institute Nagoya Japan
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- Dai Chihara
- Division of Epidemiology and Prevention Aichi Cancer Research Institute Nagoya Japan
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- Kayo Nakata‐Yamada
- Center for Cancer Control and Statistics Osaka Medical Center for Cancer and Cardiovascular Diseases Osaka Japan
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- Masashi Nakayama
- Department of Urology Osaka Medical Center for Cancer and Cardiovascular Diseases Osaka Japan
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- Masashi Matsuzaka
- Department of Cancer Epidemiology and Community Health Hirosaki University Graduate School of Medicine Hirosaki Japan
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- Masakazu Hattori
- Department of Cancer Therapy Center Fukui Prefectural Hospital Fukui Japan
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- Hiromi Sugiyama
- Department of Epidemiology Radiation Effects Research Foundation Hiroshima Japan
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- Isao Oze
- Division of Epidemiology and Prevention Aichi Cancer Research Institute Nagoya Japan
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- Rina Tanaka
- Department of Cancer Epidemiology and Community Health Hirosaki University Graduate School of Medicine Hirosaki Japan
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- Etsuko Nomura
- Center for Cancer Control and Statistics Osaka Medical Center for Cancer and Cardiovascular Diseases Osaka Japan
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- Yoshikazu Nishino
- Division of Epidemiology Miyagi Cancer Center Research Institute Natori Japan
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- Tomohiro Matsuda
- Surveillance Division Center for Cancer Control and Information Services National Cancer Center Tokyo Japan
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- Akiko Ioka
- Center for Cancer Control and Statistics Osaka Medical Center for Cancer and Cardiovascular Diseases Osaka Japan
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- Hideaki Tsukuma
- Center for Cancer Control and Statistics Osaka Medical Center for Cancer and Cardiovascular Diseases Osaka Japan
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- Tomio Nakayama
- Center for Cancer Control and Statistics Osaka Medical Center for Cancer and Cardiovascular Diseases Osaka Japan
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Description
<jats:p>Although we usually report 5‐year cancer survival using population‐based cancer registry data, nowadays many cancer patients survive longer and need to be followed‐up for more than 5 years. Long‐term cancer survival figures are scarce in Japan. Here we report 10‐year cancer survival and conditional survival using an established statistical approach. We received data on 1 387 489 cancer cases from six prefectural population‐based cancer registries in Japan, diagnosed between 1993 and 2009 and followed‐up for at least 5 years. We estimated the 10‐year relative survival of patients who were followed‐up between 2002 and 2006 using period analysis. Using this 10‐year survival, we also calculated the conditional 5‐year survival for cancer survivors who lived for some years after diagnosis. We reported 10‐year survival and conditional survival of 23 types of cancer for 15–99‐year‐old patients and four types of cancer for children (0–14 years old) and adolescent and young adults (15–29 years old) patients by sex. Variation in 10‐year cancer survival by site was wide, from 5% for pancreatic cancer to 95% for female thyroid cancer. Approximately 70–80% of children and adolescent and young adult cancer patients survived for more than 10 years. Conditional 5‐year survival for most cancer sites increased according to years, whereas those for liver cancer and multiple myeloma did not increase. We reported 10‐year cancer survival and conditional survival using population‐based cancer registries in Japan. It is important for patients and clinicians to report these relevant figures using population‐based data.</jats:p>
Journal
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- Cancer Science
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Cancer Science 105 (11), 1480-1486, 2014-10-18
Wiley
