Likelihood ratios
Last revised by Francesco Sciacca ◉ on 16 Mar 2022
Citation, DOI, disclosures and article data
Citation:
Morgan M, Sciacca F, Knipe H, Likelihood ratios. Reference article, Radiopaedia.org (Accessed on 24 Mar 2023) https://doi.org/10.53347/rID-35391
rID:
35391
Article created:
4 Apr 2015, Matt A. Morgan ◉
Disclosures:
At the time the article was created Matt A. Morgan had no recorded disclosures.
View Matt A. Morgan's current disclosuresLast revised:
16 Mar 2022, Francesco Sciacca ◉
Disclosures:
At the time the article was last revised Francesco Sciacca had no recorded disclosures.
View Francesco Sciacca's current disclosuresRevisions:
6 times, by 3 contributors - see full revision history and disclosures
Tags:
Synonyms:
- LR
The likelihood ratios (LR) can be useful to judge the probability of an event. They allow to calculate predictive values independent of disease prevalence:
- LR+ = sensitivity / (1 - specificity)
- LR- = (1 - sensitivity) / specificity
References
- 1. Kluth L, Rink M, Chun F, Fisch M, Shariat S, Dahm P. [The Likelihood Ratio: Estimation of the Impact of a Diagnostic Test on Treatment Decision]. Urologe A. 2013;52(7):982-5. doi:10.1007/s00120-013-3145-1 - Pubmed
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