Re: Bacteriuria and UTI

From: Mats Bergstrom (matsb@cor.sos.sll.se)
Wed Nov 20 16:00:10 1996


On Wed, 20 Nov 1996, Lisa Maria Soule wrote:

> proper terminology!): The RATE of false positives is related to the
> specificity of a screening test and is an innate property of the test,
> unrelated to prevalence. It is predictive value that varies with
> prevalence - so the NUMBER of false positives will increase with a lower
> prevalence disease and thus give you lower positive predictive value.

You're right, of course. I used sloppy terminology. Good to have an epidemiologist around to correct it!

--
Mats Bergstrom, MD
Ob Gyn
South Hospital
Stockholm




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