From: Development and evaluation of a search filter to identify prognostic factor studies in Ovid MEDLINE
Performance measure | Formula |
---|---|
Sensitivity | (A/(A + C)) × 100 |
Specificity | (D/(B + D)) × 100 |
Precision | (A/(A + B)) × 100 |
Number needed to read (NNR) | (1/precision) × 100 |
Time saved | ((C + D)/(A + B + C + D)) × 100 |