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Pooled Prevalence

The calculators provided here are particularly designed for estimating prevalence where samples are tested individually or in groups (pools) or where one or more tests are used with imperfect sensitivity and/or specificity.

Estimating sample sizes required for prevalence estimation from pooled testing:

Detection of disease or demonstration of freedom using pooled testing:

Bayesian methods to estimate prevalence from individual (unpooled) samples using imperfect test(s):

This site was created by Ausvet with funding from a range of sources. It provides a range of epidemiological tools for the use of researchers and epidemiologists. Please submit any comments, questions or suggestions here.