The math of decision in Radiology - MIR
The math of decision in Radiology - MIR
The math of decision in Radiology - MIR
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Question 1<br />
LR+=4.5<br />
Pre-test probability= ???<br />
A CT report <strong>in</strong>dicates a lymphadenopathy <strong>in</strong> mediast<strong>in</strong>um.<br />
Sensitivity 90%<br />
Specificity 80%<br />
What is really the 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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