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癌症患者死亡率明显下降

2019-06-13

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导读:虽然我们现在没有办法治愈所有癌症,但是最新研究显示通过努力,在过去30年中癌症患者死亡率一直稳步下降。

癌症是人类目前面对的最严峻考验之一,全世界有数百万人在与各种癌症抗争,虽然我们现在没有办法治愈所有癌症,但是最新研究显示通过努力,在过去30年中癌症患者死亡率一直稳步下降。

随着癌症研究深入和医学技术进步,癌症的治疗、预防和早期诊断都取得长足进步,癌症已经变得不是那么可怕。但是一些调研数据并没有正确反应给公众。癌症的死亡率与患者年龄有重要联系,很多报告中都强调癌症在老年人中死亡率很高,而忽略总体情况。

莫西干州立大学研究人员考虑到患者年龄与癌症死亡率间的关系,将癌症死亡患者按年龄划分发现,自从1925年以来癌症死亡率一直呈现下降趋势,最大降幅可达25.9%。

研究人员还发现心脏病患者死亡率下降比癌症死亡率还要明显,相关论文发表在最新一期《癌症研究》杂志上。(生物谷Bioon.com)

生物谷推荐原始出处:

Cancer Research 69, 6500, August 15, 2009. doi: 10.1158/0008-5472.CAN-09-0357

The Decline in U.S. Cancer Mortality in People Born since 1925

Eric J. Kort1,2, Nigel Paneth3,4 and George F. Vande Woude2

Laboratories of 1 Molecular Epidemiology and 2 Molecular Oncology, Van Andel Research Institute, Grand Rapids, Michigan and Departments of 3 Epidemiology and 4 Pediatrics and Human Development, College of Human Medicine, Michigan State University, East Lansing, Michigan

The conventional practice of analyzing overall age-adjusted cancer mortality rates heavily emphasizes the experience of older, higher mortality age groups. This may conceal shifts in lifetime cancer mortality experience emerging first in younger age groups. We examined age-specific cancer mortality rates and birth cohort–specific cancer mortality rates in U.S. mortality data recorded since 1955 to assess the effects of age, period, and cohort in secular mortality trends. Cancer mortality and population data were obtained from WHO Statistical Information System. Age-specific cancer mortality rates have been steadily declining in the United States since the early 1950s, beginning with children and young adults and now including all age groups. During the second half of the 20th century, each successive decade of births from 1925 to 1995 experienced a lower risk of cancer death than its predecessor at virtually every age for which such a comparison can be made. A major decline in cancer mortality has been occurring in the United States for the past 50 years, affecting birth cohorts born as long as 80 years ago. Excepting lung cancer, much of this decline has occurred despite relatively stable cancer incidence. These findings suggest that improvements in cancer detection, treatment, and/or prevention have reduced the risk of cancer death across the life span for individuals born in the last three quarters of the 20th century.

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[关键词: 癌症 死亡 ]

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