Statistics Notes: Diagnostic tests 1: sensitivity and specificity
- 11 June 1994
- Vol. 308 (6943), 1552
- https://doi.org/10.1136/bmj.308.6943.1552
Abstract
The simplest diagnostic test is one where the results of an investigation, such as an x ray examination or biopsy, are used to classify patients into two groups according to the presence or absence of a symptom or sign. For example, the table shows the relation between the results of a test, a liver scan, and the correct diagnosis based on either necropsy, …Keywords
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