Diagnostic Tests, Evaluation of
Published Online: 15 JUL 2005
Copyright © 2005 John Wiley & Sons, Ltd
Encyclopedia of Biostatistics
How to Cite
Begg, C. B. 2005. Diagnostic Tests, Evaluation of. Encyclopedia of Biostatistics. 2.
- Published Online: 15 JUL 2005
This entry reviews issues in the evaluation of individual diagnostic tests, or the comparison of two alternative tests. Measures of test accuracy are described, and the receiver operating characteristic (ROC) curve method of analysis is mentioned. Various biases that may affect the evaluation of a diagnostic test are reviewed. Parametric and nonparametric methods to compare two tests are indicated, and issues concerning the design of studies to evaluate diagnostic tests are summarized.
- receiver operating characteristic curve;
- test comparisons;
- study design