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The ratio of probability of occurrence to nonoccurrence of an event.
[pl. of odd, fr. M.E. odde, fr. O.Norse oddi, odd number]
Farlex Partner Medical Dictionary © Farlex 2012


In statistics, the probability that an event may appear or occur. This probability is estimated from known rates of occurrence of the event in a specific setting, e.g., from the known number of patients with a particular disease on a particular island. In practice most patients do not live on islands, and many have diseases whose presentation varies from the norm. The use of odds in health care always implies some degree of probability rather than of proof.
Medical Dictionary, © 2009 Farlex and Partners

Patient discussion about odds

Q. I have weak pelvic muscles.. Ive not had any children or anything like that. And im only 20. Isnt it abit odd It dont help one little bit when you have bladder problems(and struggle to control the flow)

A. Thank you for the answer Lucy, however i forgot to mention i have actually been doing P

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References in periodicals archive ?
Both Aleksandar Mitrovic and Ayoze Perez are on offer at odds of 11/2 to score the first goal of the match, as is Sunderland front man Jermain Defoe.
As expected the Black Cats are rank outsiders to win today at odds of 5/1, the Saints are 1/2 odds on favourites for the win while the draw is available at 12/5.
NEWCASTL E v Leicester At odds around 13/8 (Betfair).