The total proportion of "true" findings by a diagnostic test in a given population
The total diagnostic accuracy of a test can be calculated as well using the 2x2 table. With total diagnostic accuracy, researchers are comparing the "true" findings (true-positive and true-negative) to all possible diagnostic findings (true-positive, true-negative, false-positive, and false-negative).
We use this part of the 2x2 table to calculate diagnostic accuracy:
Diagnostic accuracy and diagnostic testing calculations
Diagnostic testing downloads
Click on the Download Database button for a database structured for diagnostic testing data. Click on the Download Calculator button to download a free diagnostic testing calculator.
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