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Practical Statistics with Dr Simone

Anaesthesia Coffee Break

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The Positive Predictive Value of Mammography

So what is the positive predictive value of mammography in this age group? So how are we going to work that out? We're going to do 80 divided by 5,075. And that's what we come out with. A positive predictive value is 0.01 something something. I can't see the end of my screen because I can see all your faces instead. The examiners report asked for a definition of terms. Sensitivity, specificity, positive and negative predictive value. Do you think you could fashion a sensible answer in eight minutes to this question? You've got a calculator or a very. I definitely cannot calculate that. Absolutely. Just with that, those definitions would be worthwhile

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