RPVI Exam Vascular Physics Case Review.pdf - VascularWeb

Q27: Answer
Scary hospital vascular lab is validating their testing procedure predicting
common carotid artery disease. The following results were obtained relative to
the “gold standard”:
‣ For the 71 times the test predicted disease, the test matched the gold
standard 51 times.
‣ For the 179 times the test predicted no disease, the test matched the gold
standard 160 times
Of the patients who were tested, how many have disease
A) 160
B) 71
C) 70
D) 51
E) 20
Comparison Test
+
_
(TP)
Gold Standard
_
+
51
(FN)
19
(FP)
20
(TN)
160