NBME Step 2 CK Form 8 95% (NBME Answers)

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Retired NBME Step 2 CK Form 8 Answers

step2ck_form8/Block 2/Question#35 (reveal difficulty score)
A study is conducted to assess the accuracy ...
95% 🔍 / 📺 / 🌳 / 📖
tags: biostats

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submitted by ∗step_prep(148)

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Specificity = In patients who do NOT have the disease, what proportion will test NEGATIVE

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jmorga75 MathJax example [Specificity = {TP \over TP + FN}] [Specificity = {81 \over 81+5} = 95\% ] +

yb_26 @jmorga75 it is a formula for sensitivity = TP/(TP+FN) = 81/100 = 81%. Specificity = TN/(TN+FP) = 95/100 = 95% +

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submitted by ∗yb_26(316)

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specificity = TN/TN+FP

true negatives = negative test in patient who does not have the disease

false positives = positive test in patient who does not have the disease

5 asymptomatic patients have positive test => 95 asymptomatic patients are true negatives

TN + FP = all asymptomatic patients = 100

specificity = 95/100 = 95%

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