About: Bayesian analysis of tests with unknown specificity and sensitivity

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An Entity of Type : schema:ScholarlyArticle, within Data Space : wasabi.inria.fr associated with source document(s)

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
title	Bayesian analysis of tests with unknown specificity and sensitivity
Creator	Gelman, Andrew Carpenter, Bob
source	MedRxiv
abstract	When testing for a rare disease, prevalence estimates can be highly sensitive to uncertainty in the specificity and sensitivity of the test. Bayesian inference is a natural way to propagate these uncertainties, with hierarchical modeling capturing variation in these parameters across experiments. Another concern is the people in the sample not being representative of the general population. Statistical adjustment cannot without strong assumptions correct for selection bias in an opt-in sample, but multilevel regression and poststratification can at least adjust for known differences between sample and population. We demonstrate these models with code in R and Stan and discuss their application to a controversial recent study of COVID-19 antibodies in a sample of people from the Stanford University area. Wide posterior intervals make it impossible to evaluate the quantitative claims of that study regarding the number of unreported infections. For future studies, the methods described here should facilitate more accurate estimates of disease prevalence from imperfect tests performed on non-representative samples.
has issue date	2020-05-25(xsd:dateTime)
bibo:doi	10.1101/2020.05.22.20108944
has license	medrxiv
sha1sum (hex)	7aabc20ee9be5d4a7aa18b4135ceab1b648c87b9
schema:url	https://doi.org/10.1101/2020.05.22.20108944
resource representing a document's title	Bayesian analysis of tests with unknown specificity and sensitivity
resource representing a document's body	covid:7aabc20ee9be5d4a7aa18b4135ceab1b648c87b9#body_text
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