If you find the material on this website useful, you will find that the two books ACES for PACES and KEYS to SUCCESS in Medicine complement the material on these sites and will enhance your studying and revision

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BOF: 2.63

A regional audit showed that 62 women who with deep vein thrombosis whilst in hospital a total of 45 women had used oral contraception for varying periods during their lifetime. The odds ratio can be best expressed as which of the following?

a)      45/62

b)     17/62

c)      62/17

d)     45/17

e)      62/45

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[ Up ] [ Answer BOF 2.63 ]