The importance of considering single testing when two tests are available.

Med Decis Making

Leonard Davis Institute of Health Economics, Department of Decision Sciences, Wharton School, Philadelphia, Pennsylvania.

Published: January 1988

When considering two dichotomous tests in combination for reaching a treatment decision, the choice between single and multiple testing depends, in part, on the pretest probability of disease. The authors show that two tests are never preferred to a single test for all disease probabilities, regardless of whether the two tests are performed in parallel or in series.

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http://dx.doi.org/10.1177/0272989X8700700403DOI Listing

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