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Items for "Diagnostic tests"

Optimizing Diagnostic Test Sequences: The Probability Modifying Plot

The problem of deciding the optimal sequence of diagnostic tests can be structured in decision trees, but unmanageable bushy decision trees result when the sequence of two or more tests is investigated...

Keywords: Diagnostic tests, Test Sequence, Decision Analysis

03/1999 | Methods of Information in Medicine, Schattauer
Mutual Information as an Index of Diagnostic Test Performance

OBJECTIVES: This paper demonstrates that diagnostic test performance can be quantified as the average amount of information the test result (R) provides about the disease state (D). METHODS: A fundamental concept of information theory, mutual information, is directly applicable to this problem...

Keywords: Diagnostic tests, Entropy, information theory, ROC curve

01/2003 | Methods of Information in Medicine, Schattauer
Appropriateness of diagnostic strategies for evaluating suspected venous thromboembolism

It was the objective of this study to determine the proportion of patients who undergo an appropriate diagnostic work-up following a D-dimer test performed to evaluate suspected pulmonary embolism (PE) or deep vein thrombosis (DVT)...

Keywords: Diagnostic tests, Venous thromboembolism, D-dimer test

00/0000 | Thrombosis and Haemostasis, Schattauer