Relative risk compares the risk of a problem with a particular treatment. If we take the example of HRT, 7.5% of women aged fifty will develop breast cancer by the age of seventy-five whereas 9% of these women will develop breast cancer by the age of seventy five if they take HRT for fifteen years. The relative risk is 9 to 7.5 or 1.2.
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This is the personal website of David A Viniker MD FRCOG, Consultant Obstetrician and Gynaecologist at Whipps Cross University Hospital, London - Specialist Interests - Reproductive Medicine including Infertility, PCOS, PMS, Menopause and HRT.
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