Using Critical Success Index or Gilbert Skill Score as composite measures of positive predictive value and sensitivity in diagnostic accuracy studies: Weather forecasting informing epilepsy research

The Critical Success Index (CSI) and Gilbert Skill score (GS) are verification measures that are commonly used to check the accuracy of weather forecasting. In this article, we propose that they can also be used to simplify the joint interpretation of positive predictive value (PPV) and sensitivity...

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Bibliographic Details
Published in:Epilepsia (Copenhagen) 2023-06, Vol.64 (6), p.1466-1468
Main Authors: Mbizvo, Gashirai K., Bennett, Kyle H., Simpson, Colin R., Duncan, Susan E., Chin, Richard F. M., Larner, Andrew J.
Format: Article
Language:English
Subjects:
diagnostic test accuracy
Epilepsy
Epilepsy - diagnosis
Forecasting
Humans
Predictive Value of Tests
ratio of verification
routine data
Sensitivity and Specificity
systematic review
threat score
validation studies
Weather
Weather forecasting
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Summary:The Critical Success Index (CSI) and Gilbert Skill score (GS) are verification measures that are commonly used to check the accuracy of weather forecasting. In this article, we propose that they can also be used to simplify the joint interpretation of positive predictive value (PPV) and sensitivity estimates across diagnostic accuracy studies of epilepsy data. This is because CSI and GS each provide a single measure that takes the weather forecasting equivalent of PPV and sensitivity into account. We have re‐analysed data from our recent systematic review of diagnostic accuracy studies of administrative epilepsy data using CSI and GS. We summarise the results and benefits of this approach.
ISSN:0013-9580
1528-1167
DOI:10.1111/epi.17537