|
Relevant article
|
Non-relevant article
|
---|
Search
|
Articles found
|
a
|
b
|
|
Articles not found
|
c
|
d
|
-
Recall (also referred to as sensitivity in diagnostic test terminology) a/(a+c), the proportion of relevant articles that were found by the search compared to the total number of relevant articles.
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Precision (also referred to as positive predictive value in diagnostic test terminology) a/(a+b), the proportion of relevant articles that were found by the search compared to the total number of articles found by the search.
-
Specificity d/(b+d), proportion of articles not found by the search that are not relevant.