From Programme Data to a 2×2 Table: Sensitivity, Specificity, PPV & NPV
This lesson is part of the course
In this lesson
You turn one year of district reports from the fictional Northvale bowel screening programme into a 2×2 table and calculate sensitivity and PPV, with specificity and NPV as worked examples.
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Lessons in this course
- From Programme Data to a 2×2 Table: Sensitivity, Specificity, PPV & NPV Locked
- PPV & NPV Across Target Groups: Prevalence Changes Everything (with a Chart) Locked
- Choosing the Cut-off: ROC Points, Youden Index & Colonoscopy Capacity Locked
- Two-Stage Screening: Serial Testing & Combined Accuracy Locked
- Programme Yield: Detection Rate, Number Needed to Screen & Colonoscopies per Cancer Locked
- Uptake & Coverage by Group: Measuring Equity Gaps (with a Chart) Locked
- Cost per Case Detected & a Simple Cost per QALY Locked
- Lead-Time & Length-Time Bias, Interval Cancers & the False-Positive Burden Locked