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Evaluating diagnostic tests
Author(s) -
Kennedy Ashley Graham
Publication year - 2016
Publication title -
journal of evaluation in clinical practice
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.737
H-Index - 73
eISSN - 1365-2753
pISSN - 1356-1294
DOI - 10.1111/jep.12541
Subject(s) - medicine
Although much has been written on the role of randomized controlled trials and mechanistic reasoning in the evaluation of therapeutic treatments, philosophers of medicine have not yet turned their attention to the question of how diagnostic tests and procedures should be evaluated. I aim to begin to fill this gap by examining each of the following questions: What is the best way to determine the accuracy of a diagnostic test? What is the best way to determine the clinical effectiveness of a diagnostic test? Can an accurate diagnostic test be considered medically valuable even if it is not clinically effective? I argue that while diagnostic accuracy is a minimum requirement for both clinical effectiveness and medical value, accuracy and effectiveness are not sufficient for determining the value of a diagnostic test, because diagnostic value extends beyond patient outcomes.