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NBME 21 Answers

nbme21/Block 1/Question#44 (16.4 difficulty score)
A test has been developed to screen for human ...
Predictive value of a positive test🔍

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submitted by pparalpha(78),
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submitted by drzed(177),

If more people have the disease in your population, then the chance of a positive test result actually being positive will increase -- more people have the disease, so you're more likely to be "right"