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The Impact of Ovarian Cancer on Life Expectancy in Japan

Author

Listed:
  • Juan Sun
  • Lifu Bi
  • Yaojun Chi
  • Guowei Huang
  • Chun Fan
  • Kazuo Aoki
  • Akihiro Kono
  • Tian Hui
  • Junichi Misumi

Abstract

The purpose of this study was to determine how life expectancy is modified by ovarian cancer from 1950-2000. The contributions of ovarian cancer to life expectancy were estimated. The age characteristics of ovarian cancer were detected using the Gompertz relational mortality model. The patterns between years of potential life lost (YPLL) and mortality were obtained by fitting a linear regression equation to the natural logarithm of their ratios. YPLLs are substantially higher in Ireland than in Japan. However, the rates of change were much higher in Japan than in Ireland. YPLLs changed from 0.02 year in 1950 to 0.12 year in 2000. In Japan, there was a sixfold increase in the proportion of YPLLs for death from ovarian cancer relative to those for death from gynaecological cancers during the last half century. The impact of ovarian cancer on life expectancy clearly increased and the age-specific mortality tend to ageing.

Suggested Citation

  • Juan Sun & Lifu Bi & Yaojun Chi & Guowei Huang & Chun Fan & Kazuo Aoki & Akihiro Kono & Tian Hui & Junichi Misumi, 2007. "The Impact of Ovarian Cancer on Life Expectancy in Japan," Journal of Applied Statistics, Taylor & Francis Journals, vol. 34(6), pages 741-747.
    • Handle: RePEc:taf:japsta:v:34:y:2007:i:6:p:741-747
    DOI: 10.1080/02664760701237036
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    Cited by:

    1. Juan Sun & Xiaohui Ouyang & Hidekatsu Yoshioka & Wenli Wang & Chun Fan & Hongwei Li & Jianru Wang & Yalin Liu & Li Su & Heping Ma & Ying liu & Yuwen Zhang & Xingguang Zhang & Xuemei Wang & Yueling Hu, 2009. "A progressive rise in stomach cancer-related mortality rate during 1970-1995 in Japanese individuals over 85 years of age," Journal of Applied Statistics, Taylor & Francis Journals, vol. 36(11), pages 1251-1258.

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