Minerva

Reduced incidence of ovarian cancer . . . and other stories

BMJ 2016; 355 doi: https://doi.org/10.1136/bmj.i5227 (Published 06 October 2016) Cite this as: BMJ 2016;355:i5227

Falling rates of ovarian cancer

Rates of ovarian cancer fell between 2002 and 2012 in the European Union (10%, age adjusted) and the USA (16%), according to an analysis based on the World Health Organization database (Ann Oncol doi:10.1093/annonc/mdw306). Places with lower baseline rates, such as Latin America and Japan, also saw decreases, although smaller. The authors assert that “the main reason for the favourable trends is the use of oral contraceptives,” and go on to predict further reductions. Minerva frowns when correlation is dressed as causation, and likewise discourages all prediction. Goddesses have seen so much.

Patients and clinicians setting outcome measures

Initiatives such as COMET (www.comet-initiative.org) try to ensure that common key outcomes are included in interventional trials. The OMERACT (Outcome Measures in …

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