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Ep 238 - Positive and Negative Predictive Values: Critical Appraisal Nugget
Manage episode 430460980 series 3582339
A tartalmat a St Emlyn’s Blog and Podcast and St Emlyn’s Blog biztosítja. Az összes podcast-tartalmat, beleértve az epizódokat, grafikákat és podcast-leírásokat, közvetlenül a St Emlyn’s Blog and Podcast and St Emlyn’s Blog vagy a podcast platform partnere tölti fel és biztosítja. Ha úgy gondolja, hogy valaki az Ön engedélye nélkül használja fel a szerzői joggal védett művét, kövesse az itt leírt folyamatot https://hu.player.fm/legal.
In this St. Emlyn's podcast, Rick Body and Greg Yates, continue our exploration of diagnostic test accuracy, shifting our focus to positive predictive value (PPV) and negative predictive value (NPV). These concepts are vital for anyone preparing for exams or looking to enhance their application of diagnostic tests in clinical practice. While our last podcast discussion centred on sensitivity and specificity, PPV and NPV offer a different, arguably more clinically practical perspective on interpreting test results.
Positive predictive value (PPV) and negative predictive value (NPV) are essential tools for understanding the effectiveness of diagnostic tests. PPV helps us determine the likelihood that a patient with a positive test result actually has the condition, whereas NPV helps us gauge the probability that a patient with a negative test result does not have the disease. These values are crucial for making informed clinical decisions, particularly when considering the prevalence of a condition in the population. Today, we’ll delve into these concepts, their practical applications, and why it's important to consider both PPV and NPV alongside sensitivity and specificity.
You can find more about this on the St Emlyn's Blog and please don't forget to like and subscribe.
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