odds

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odds

(odz),
The ratio of probability of occurrence to nonoccurrence of an event.
[pl. of odd, fr. M.E. odde, fr. O.Norse oddi, odd number]

odds

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.

odds

a method of expressing probability, e.g. at odds of 3 to 2 this can be converted to conventional terminology by using each number as the numerator and the sum of them as the denominator, i.e. 3/5, 2/5 or 60% or 40% or 0.6, 0.4. The odds are quoted as for or against. So that at odds of 3 to 2 the chances for an event happening are 3/5. The odds against it happening are 2/5.

posterior odds
probability determined after consideration of the results of a study.
odds ratio
the ratio, used particularly in case-control studies, estimates the chances of a particular event occurring in one population in relation to its rate of occurrence in another population.

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

References in periodicals archive ?
He was given odds of 50-1 which means he could win pounds 1,530 if Henman, who stuttered to victory in the first round yesterday, holds aloft the silver Wimbledon trophy and David Beckham and co triumph in Portugal.
The 21-year-old was given odds of just two per cent of survival and told to say her farewells after her first liver transplant failed.
Nigel Ireland, 25, was given odds of 25-1 by William Hill against taking a day off work.
But Paddy Power has given odds of 11-4 to be next carrier to collapse.
That means bookmakers pay nothing to use racing for betting purposes, punters are given odds that reflect this, and racecourses charge nothing for entry
Davie Brown was given odds of 500-1 on pal Barclay Howard playing all four rounds of the championship.
Ladbrokes have given odds of 2-1 Kerry Katona and Mark Croft will be the next couple to get divorced with Jordan and Peter Andre at 4-1 and Madonna and Guy Richie at 3-1.
She was odds- on favourite at 4/9, while Jon was given odds of 13/8.
The bookies would probably have given odds of 1,000-1 on us finishing where we have.
Although they've been given odds by the bookies, the darling duo have decided not to release a Christmas single
Paddy Power has given odds of 2-1 to the Irish Whale and Dolphin Group on the return of an 18ft whale, called Paddy, to these shores in the next 12 months.
Nader Rohbani, 42, from Sully, near Barry, was given odds of 20 to 1 from William Hill bookmaker.

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