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Sensitivity and Specificity simplified

Tests are not always perfect. Sensitivity and specificity are measures that can be used to determine how good a test is at correctly identifying the presence or absence of disease. In this video we’ll take a look at what they are, how they are calculated and two related measurements – positive and negative predictive values. This video was created by Ranil Appuhamy Narrated by - James Clark -------------------------------------------------------------------------------------------------------- Disclaimer: These videos are provided for educational purposes only. Users should not rely solely on the information contained within these videos and is not intended to be a substitute for advice from other relevant sources. The author/s do not warrant or represent that the information contained in the videos are accurate, current or complete and do not accept any legal liability or responsibility for any loss, damages, costs or expenses incurred by the use of, or reliance on, or interpretation of, the information contained in the videos.