© 2000 by Oxford University Press
Journal of the National Cancer Institute, Vol. 92, No. 23, 1873-1876,
December 6, 2000
© 2000 Oxford University Press
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Prostate Cancer: Numbers May Not Tell the Whole Story
In prostate cancer, as anywhere, statistics can fool the unwaryso careful researchers, physicians, and patients must look beyond the numbers to get the whole truth, according to Michael J. Barry, M.D., of Massachusetts General Hospital in Boston.
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Barry, a primary-care physician, researcher, and advocate of evidence-based medicine, discussed beliefs and evidence about prostate cancer screening and treatment at the American Society of Therapeutic Radiation and Oncologys annual meeting, held in Boston in October.
Key Factor
One key factor in interpreting prostate cancer treatment outcome data is the lead-time bias introduced in the last decade by prostate-specific antigen (PSA) screening. Prostate cancer is typically a slow-growing disease, and early diagnosis with PSA
Side Effects of Treatment
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