case control study

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case control study

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4 Posts

PKG
Forum Senior

Topics: 25
Posts: 62

04/15/06 - 03:37 PM

a case control study is conducted to assess the possible relationship between the use of aspirin and colon cancer. the odds ratio of colon cancer among aspirin users is 0.6 with 95 % confdence interval between 0.4 AND 0.9. WHICH OF THE FOLLOWING IS THE MOST ACCURATE CONCLUSION?

THE ATTRIBUTABLE RISK OF COLON CANCER FROM ASPIRIN USE IS 6 PER 1000 PERSON-YEARS

THE PROBABILITY OF CONFOUNDING BIAS IS LESS THAN 5 %.

THE RISK OF COLON CANCER IS 40% LOWR IN ASPIRIN USERS THAN IN NONUSERS

achilles
Forum Guru
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Topics: 88
Posts: 1,222

04/15/06 - 04:01 PM

C-the risk of colon cancer is 40% lower in aspirin users.

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frank100
Forum Guru

Topics: 48
Posts: 586

08/06/06 - 09:21 PM

dipsite
Forum Newbie

Topics: 1
Posts: 26

12/23/06 - 07:21 AM

its so simple (c)..just because from case control study we can estimate only ODD's RATIO. that is option (c)

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