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    Cancer Survival Rates Vary by Country

    Study Shows U.S., Japan, and France Have Highest Cancer Survival Rates
    By
    WebMD Health News
    Reviewed by Louise Chang, MD

    July 16, 2008 -- Where you live plays a role in cancer survival, according to a new study that shows the U.S., Japan, and France recorded the highest survival rates among 31 nations for four types of cancer. Algeria had the lowest survival rates for all four cancers.

    "This is the first direct comparison of so many countries as far as I am aware," says Michel Coleman, MD, a professor of epidemiology and vital statistics at the London School of Hygiene and Tropical Medicine and the study's lead author.

    While Coleman and other epidemiologists have long known that cancer survival rates vary country by country, and even within a country, the study lends hard numbers to the fact. Still, there were surprises. "I think the surprises were that the range in global survival is really quite wide," Coleman tells WebMD.

    "Survival in the USA is high on a global scale but varies quite widely among individual states as well as between blacks and whites within the USA," he tells WebMD.

    Cancer Survival by Country

    Coleman and colleagues drew on data from nearly 2 million cancer patients, ages 15 to 99, whose medical information was entered into 101 population-based cancer registries in 31 countries. The patients had been diagnosed with one of four cancers: breast, colon, rectum, or prostate cancers during the years 1990-1994. They were followed up to 1999, with the researchers comparing five-year survival rates.

    The highest survival rates were found in the U.S. for breast and prostate cancer, in Japan for colon and rectal cancers in men, and in France for colon and rectal cancers in women, Coleman's team reports.

    In Canada and Australia, survival was also high for most cancers.

    The lowest cancer survival rates for all four cancers were found in Algeria.

    Cancer Survival: A Closer Look at the U.S.

    Survival rates varied among the 16 states and six metropolitan areas included in the study.

    Idaho had the best survival rates for rectal cancer in men and Seattle was highest for rectal cancer in women. Patients in Seattle also had the best survival rates for prostate cancer. For all other cancers studied, patients in Hawaii had the highest survival rates.

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