Letters Prostate cancer screening

What is mortality denominator?

BMJ 2011; 342 doi: https://doi.org/10.1136/bmj.d3702 (Published 14 June 2011) Cite this as: BMJ 2011;342:d3702
  1. Gil D Tolan, physician1
  1. 1University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
  1. giltolan{at}beecreek.net

Sandblom and colleagues state: “In a Cox proportional hazard analysis, the hazard ratio for death from prostate cancer was 1.23 (0.94 to 1.62; P=0.13) and 1.58 (1.06 to 2.36; P=0.024) after adjustment for age at start of the study.”1

Does the hazard ratio of 1.23 mean that being assigned to the uninvited group increases prostate cancer mortality …

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