Abstract
Existing methods used to rank the value of individual screening markers in screening programmes are inadequate. We have developed a simple Screening Marker Index: (Screening Marker Index = Positive Predictive Value × Sensitivity). The Screening Marker Index proved to be superior to existing indices in ranking screening markers according to their ability to identify the conditions sought.
Abbreviations
- COPD:
-
Chronic obstructive pulmonary disease
- NNS:
-
Number needed to screen
- PPV:
-
Positive predictive value
- SMI:
-
Screening marker index
- YI:
-
Youden index
- PLR:
-
Positive likelihood ratio
- NLR:
-
Negative likelihood ratio
- ROC:
-
Receiver operating characteristics
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Østergaard, S.D., Dinesen, P.T. & Foldager, L. Quantifying the value of markers in screening programmes. Eur J Epidemiol 25, 151–154 (2010). https://doi.org/10.1007/s10654-010-9430-z
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DOI: https://doi.org/10.1007/s10654-010-9430-z