Saturday, November 3, 2007

A Bogus Cancer Statistic

Giuliani falsely claims that only 44 percent of prostate cancer patients survive under "socialized medicine" in England.

In a new radio ad, Rudy Giuliani falsely claims that under England’s “socialized medicine” system only 44 percent of men with prostate cancer survive.

We tracked down the source of that number, which turns out to be the result of bad math by a Giuliani campaign adviser, who admits to us that his figure isn’t "technically" a survival rate at all. Furthermore, the co-author of the study on which Giuliani’s man based his calculations tells us his work is being misused, and that the 44 percent figure is both wrong and “misleading.” A spokesperson for the lead author also calls the figures "incorrect survival statistics."

It’s true that official survival rates for prostate cancer are higher in the U.S. than in England, but the difference is not nearly as high as Giuliani claims. And even so, the higher survival rates in the U.S. may simply reflect more aggressive diagnosing of non-lethal cancers, according to the American Cancer Society.

Actually, men with prostate cancer are more likely to die sooner if they don’t have health insurance, according to a recent study published in one of the American Medical Association’s journals. Giuliani doesn’t mention that.
Analysis
Rudy Giuliani's latest radio ad, which began airing in New Hampshire this week, draws a stark picture for anyone diagnosed with prostate cancer in England. "I had prostate cancer, five, six years ago," the Republican presidential candidate says in the ad. "My chance of surviving prostate cancer, and thank God I was cured of it, in the United States, 82 percent. My chances of surviving prostate cancer in England, only 44 percent under socialized medicine.”

Giuliani is wrong about that. Fortunately for the English, their chances of surviving prostate cancer are far better than Giuliani claims: The actual five-year survival rate is 74.4 percent, according to the United Kingdom's Office of National Statistics. Even those in the U.S. have a better chance than what Giuliani states: The five-year survival rate is 98.4 percent in this country, according to the National Cancer Institute. (Furthermore, Milton Eisner, a statistician with the SEER program of NCI, which compiles these numbers, warns that the two countries’ statistics are “probably not comparable because they’re not done on the same scale.”)

Giuliani got his figures from a campaign adviser whose methods would make scientists and statistics professors cringe. Indeed, one of the authors of the report cited by the adviser says the figures in the ad are "misleading" and the math employed is "absolutely not" a legitimate way to calculate survival rates.

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