Diagnostic Decision Logic
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QUESTION
If a test has specificity
0.92
0.92
0.92
, what is its false positive rate?
QUESTION
Compute PPV if
T
P
=
30
TP=30
T
P
=
30
and
F
P
=
10
FP=10
F
P
=
10
.
QUESTION
Compute sensitivity if
T
P
=
80
TP=80
T
P
=
80
and
F
N
=
20
FN=20
F
N
=
20
.
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ANSWER
Sensitivity
=
80
80
+
20
=
0.80
\text{Sensitivity}=\frac{80}{80+20}=0.80
Sensitivity
=
80
+
20
80
=
0.80
. The calculation applies the sensitivity formula, dividing true positives by the sum of true positives and false negatives.
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