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Statistical Evaluation of Diagnostic Tests

februari 17, 2021

Statistical Evaluation of Diagnostic Tests
Presenterad av Thomas C. King, MD, PhD, Medical Director

0:00 Introduction
0:13 Evaluation of diagnostic aids for the early detection of cancer
0:37 Definition of accuracy
1:26 Examples: Pap smears and Serum PSA
2:55 Definition of Receiver Operating Characteristics (ROC) Area Under the Curve (AUC)
4:27 Definition of Cut-off (Threshold)
5:25 A useful diagnostic test, balancing AUC and Cut-off
6:05 Definition of negative and positive predictive value (NPV and PPV)
7:25 Summary