Abstract
Diagnostic probability function – See ‘Gnostic probability function’ (Notes 2 and 5-7).
Diagnostic test’s properties – The two aspects of a test’s diagnostic informativeness, constituting the objects of research on the test [16]:
1. Post-test informativeness – Given the post-test diagnostic profile, the extent to which the test result influences the (correct) diagnostic probability.
Note 1: If this were to be an object of study, at issue would be the likelihood ratio for each of the test results, contrasting illness present to illness absent, specific for each of the pre-test profiles. Given the generally very great multiplicity of these LRs, study of them is prohibitively impractical; but it is unnecessary besides.
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References
Porta M (Editor), Greenland S, Last JM (Associate Editors). A Dictionary of Epidemiology. Fifth edition. Oxford: Oxford University Press, 2008.
Miettinen OS. Up from Clinical Epidemiology & EBM. Dordrecht: Springer, 2011.
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Miettinen, O.S. (2011). Terms and Concepts of Objects of Study. In: Epidemiological Research: Terms and Concepts. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-1171-6_10
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