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A new diagnostic test is compared to a gold standard, demonstrating poor sensitivity, worse specificity, PPV, and NPV. Let us assume I know other data about the gold standard positive and negative cases (continuous variables such as patient age, temperature) What tests can be used to interpret...

Please help if you can (novice level) I have a gold standard test that I would like to compare to a new test. This new test will be assessed as categorical binary outcome (positive or negative) by 2 observers. I can compare reliability of the two observers with kappa. That's easy. How...