On Mon, 30 Jun 2003 11:23:52 -0400
"Barlas, Suna" <suna_barlas@merck.com> wrote:
> Hi all,
>
> Does anybody have a code to compute sample size/power for a test on
> sensitivity or specificity?
>
> Thanks,
>
> Suna.
>
>
>
Those are quantities that one very seldom tests hypotheses about but more
typically makes estimates (point and interval) about, using standard binomial
methods (even then, sensitivity and specificity have extremely limited utility
in medical diagnosis).
---
Frank E Harrell Jr Prof. of Biostatistics & Statistics
Div. of Biostatistics & Epidem. Dept. of Health Evaluation Sciences
U. Virginia School of Medicine http://hesweb1.med.virginia.edu/biostat
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