Sensitivity and specificity - explained in 3 minutes

This video is part of the Epidemiology playlist and discusses the concepts of sensitivity, specificity, and predictive values in diagnostic tests. It explains how sensitivity and specificity are calculated and their significance in identifying true positives and true negatives. The video also highlights the impact of disease prevalence on predictive values and the importance of comparing tests within the same population group.

Discuss the difference between sensitivity and positive predictive value.

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Why is it important to consider the prevalence of a disease when interpreting predictive values?

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