Screening Tests: Sensitivity, Specificity, PPV & NPV
This lesson is part of the course
In this lesson
You evaluate a screening test from its 2×2 table and show how the predictive value of a positive result collapses when the disease is rare.
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Lessons in this course
- Rates per 100,000: Incidence vs Prevalence Locked
- Age-Standardised Rates with SUMPRODUCT Locked
- 2×2 Tables: Risk, Relative Risk, Risk Difference & Odds Ratio Locked
- Screening Tests: Sensitivity, Specificity, PPV & NPV Locked
- NNT & NNH from Trial Results Locked
- Confidence Intervals: a Proportion & a Relative Risk Locked
- Epidemic Curve, Growth Rate, Doubling Time & R Locked
- Life Expectancy from a Mini Life Table Locked