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. 2021 Jan 7;82(5):186–230. doi: 10.1016/j.jinf.2020.12.033

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© 2021 The British Infection Association. Published by Elsevier Ltd. All rights reserved.

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Fig 2 — Modelling of positive predictive value (PPV) and negative predictive value (NPV) assuming different pre-test probabilities. Dots represent the PPV and NPV at sequential increment of 0.01; lines are the 95% confidence interval . (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)