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Transcript
3

A short explainer on diagnostic accuracy

Carl explains the properties and limits of diagnostic tests
3

This is Carl’s clear explanation of why Zum Zum water is rare based on this morning’s post analysing the latest breakthrough test.

In just over 5 minutes, the video explains sensitivity, specificity, the positive predictive value, how prevalence affects the results and the problems of false positives and negatives.

There is a lot to cover in five minutes, but hopefully, this will clear up some of the confusion surrounding test accuracy results.

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