Items tagged “sensitivity”
5 results found
Case
Basics of Diagnostic Testing: Sensitivity, Specificity, Positive Predictive Value and Negative Predictive Value
Published
29 Oct 2021
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Case
Effect of prevalence on sensitivity, specificity, positive and negative predictive value
Published
04 Nov 2021
50% complete
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Case
Understanding sensitivity and specificity - SPIN and SNOUT
Published
15 Dec 2021
47% complete
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Article
Conditional probability
Probability is the likelihood of a random outcome (called an “event”) and is written as P(event)= x, where x is a number ≥0 and ≤1. Using this notation, the probability of rolling a 2 with a fair 6-sided die is written as P(2)=1/6. A probability of 0 means that an event is impossible while a pro...
Article
Diagnostic test accuracy
The accuracy of a diagnostic test is defined as how often the test correctly classifies someone as having or not having the disease. The formula for accuracy is:
(true positive + true negative) / (true positive + true negative + false positive + false negative)
or correct results / all results...