Elsevier

The Lancet

Volume 359, Issue 9304, 2 February 2002, Pages 404-405
The Lancet

Fast Track — Research Letters
Mammographic screening: no reliable supporting evidence?

https://doi.org/10.1016/S0140-6736(02)07592-XGet rights and content

Summary

Much confusion is being generated by the conclusion of a recent review that “there is no reliable evidence that screening for breast cancer reduces mortality.” In that review, however, there was no appreciation of the appropriate mortality-related measure of screening's usefulness; and correspondingly, there was no estimation of the magnitude of this measure. We take this measure to be the proportional reduction in case-fatality rate, and studied its magnitude on the basis of the only valid and otherwise suitable trial. We found reliable evidence of fatality reduction, apparently substantial in magnitude.

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