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Practical Statistics with Dr Simone

Anaesthesia Coffee Break

00:00

The Yellow Curve Is the Best Diagnostic Test

The yellow curve is the good one. So I said there's no perfect diagnostic test. If there was, it would have a sensitivity of 100% and a specificity of 100%. Anything below the line means that that diagnostic test is worse than chance alone. The straight line is chance. There's no diagnostic value there at all. By pure chance, it's likely to fall on that line. Does that ring a bell? What does that equate to? Has it in likelihood ratio? Absolutely.

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