Letters HRT and cardiovascular events

Authors’ reply to Marjoribanks and colleagues, Rossouw and colleagues, Schroll and Lundh, and McPherson

BMJ 2012; 345 doi: http://dx.doi.org/10.1136/bmj.e8164 (Published 03 December 2012) Cite this as: BMJ 2012;345:e8164
  1. Louise Lind Schierbeck, registrar1,
  2. Lars Køber, professor, consultant2,
  3. Jens-Erik Beck Jensen, associate professor, consultant1
  1. 1Department of Endocrinology, Hvidovre Hospital, 2650 Hvidovre, Denmark
  2. 2Department of Cardiology, Rigshospitalet, Copenhagen, Denmark
  1. louise.schierbeck{at}gmail.com

We are grateful for all of the interest in our paper1; more extensive answers are available at bmj.com (www.bmj.com/content/345/bmj.e6409/rr/612351).

Although randomisation is an important part of any trial, we acknowledge that performance and detection bias exist in open label trials,2 3 but these biases are less important when endpoints are driven by mortality. Furthermore, no trial of hormone replacement therapy (HRT)—including the Women’s Health Initiative—conducted in women with a uterus is completely blinded.4 5 …

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