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Epidemiology by DesignA Causal Approach to the Health Sciences$
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Daniel Westreich

Print publication date: 2019

Print ISBN-13: 9780190665760

Published to Oxford Scholarship Online: December 2019

DOI: 10.1093/oso/9780190665760.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (oxford.universitypressscholarship.com). (c) Copyright Oxford University Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use. date: 16 June 2021

Diagnostic Testing, Screening, and Surveillance

Diagnostic Testing, Screening, and Surveillance

(p.79) 4 Diagnostic Testing, Screening, and Surveillance
Epidemiology by Design

Daniel Westreich

Oxford University Press

Surveillance, diagnostic testing, and screening are central (and related) concepts in epidemiology, and are all addressed together in this chapter. Both description and prediction are also important goals of epidemiology, and these differ in important ways from causal epidemiology. In Chapter 4, the author discusses concepts in diagnostic testing, screening, and active and passive disease surveillance, including concepts of sensitivity, specificity, and positive and negative predictive value. Also in this chapter, the author briefly touches on differences between clinical epidemiology and public health epidemiology. The chapter also briefly discusses very basic bias, or sensitivity, analysis.

Keywords:   diagnostic testing, screening, surveillance, sensitivity, specificity, positive predictive value, negative predictive value

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