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An error occurred in the letter entitled "Benefits and Harms: The Balance Sheet," published in the October 17 issue of JAMA (1990;264:1945). The second paragraph of the letter should have been designated as a direct quotation from Dr Eddy and should have read as follows:
Without screening, a high-risk 50-year-old man (like me) has about a 10.3% probability of developing colorectal cancer sometime in the rest of his life and about a 5.3% probability of dying of colorectal cancer. If such a person is screened with the proposed strategy, the probabilities of getting and dying of colorectal cancer are decreased to about 7.3% and 2.9%, respectively. Thus, the effect of this screening strategy is to decrease the actual probability of getting or dying of colorectal cancer about 3.0% and 2.4%, respectively.
Error in Quotation. JAMA. 1991;265(7):869. doi:10.1001/jama.1991.03460070051039
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