Originally posted by ZARDOZ
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Reply to: Anyone here understand statistics?
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Previously on "Anyone here understand statistics?"
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That article makes it seem the tests are crap, but it's half a story:
In the example The Positive predictive value= approx 10% or 1 in 10
However the Negative predictive value for the example is near 100%
In summary you can have low confidence that a positive result is true BUT high confidence a negative is true. Get tested negative you can be almost certain it's correct. Get tested positive, you may have the disease but most probably not, certainly worth further medical investigation to confirm.Last edited by ZARDOZ; 7 July 2014, 12:25.
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Originally posted by BrilloPad View PostBBC News - Do doctors understand test results?
Are doctors confused by statistics? A new book by one prominent statistician says they are - and that this makes it hard for patients to make informed decisions about treatment.
Some are like Sas................
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Originally posted by vetran View Postdon't say his name three times!
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That's a matter of probability. But there's only a 10% chance of that.
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Anyone here understand statistics?
BBC News - Do doctors understand test results?
Are doctors confused by statistics? A new book by one prominent statistician says they are - and that this makes it hard for patients to make informed decisions about treatment.
Where is sasguru when you need someone to pretend to understand. Then call everyone a cretin.Tags: None
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