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Revista Colombiana de Obstetricia y Ginecología

Print version ISSN 0034-7434
On-line version ISSN 2463-0225

Abstract

CASTRO-JIMENEZ, Miguel Ángel; CABRERA-RODRIGUEZ, Daladier  and  CASTRO-JIMENEZ, María Isabel. Assessing a diagnostic test: basic concepts in a study with naturalistic sampling. Rev Colomb Obstet Ginecol [online]. 2007, vol.58, n.1, pp.45-52. ISSN 0034-7434.

Diagnostic test evaluation studies represent a scientific design helping to determine the validity and reliability of the procedures which can be used in clinical practice by doctors and other health professionals. This article deals with medical training in epidemiology. Its objectives are summarizing concepts used when evaluating a new diagnostic test and explaining how to calculate and interpret the measurements used making a design with naturalistic sampling, emphasizing the meaning of test sensitivity, specificity and predictive value.

Keywords : biomedical technology assessment; sensitivity and specificity; predictive value of test; validity of tests.

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