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Health Journalism 2008: Lies, damned lies and medical statistics - how to interpret the evidence

This panel offers examples of widely accepted medical practices and treatments that need a second look, including problems with screening for cancer, focusing on the controversy surrounding CT for lung cancer and PSA testing. Topics include the use of surrogate endpoints; how trial design can be manipulated to achieve the desired outcome; the meaning of such terms as underpowered, number needed to treat, sensitivity, specificity, all-cause mortality and relative risk reduction versus absolute risk reduction.

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