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Table 1 Rate definitions (sensitivity, specificity, accuracy, precision)

From: Improving search filter development: a study of palliative care literature

 

Gold Standard Reference Set

 

Relevant

Not Relevant

Medline Result

  

   Articles retrieved

a (correct inclusion)

b (incorrect inclusion)

   Articles not retrieved

c (incorrect exclusion)

d (correct exclusion)

  1. Sensitivity = a/(a+c); specificity = d/(b+d); precision = a/(a+b); accuracy = (a+d)/(a+b+c+d)
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BMC Medical Informatics and Decision Making

ISSN: 1472-6947

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