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The math of decision in Radiology - MIR

The math of decision in Radiology - MIR

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Question 1<br />

A lymphadenopathy <strong>in</strong> mediast<strong>in</strong>um was reported<br />

Sensitivity 90%<br />

Specificity 80%<br />

What is the actual probability <strong>of</strong> the lymphadenopathy?<br />

A) 2-3%<br />

B) 20-25%<br />

C) 50-60%<br />

D) 80-90%<br />

E) Can not be calculated

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