The weight of evidence associated with a finding is an expression based on its sensitivity and specificity.
weight of evidence =
= 10 * LN ((sensitivity) / (1 - (specificity)))
= 10 * LN (positive likelihood ratio)
Sensitivity
Specificity
Weight
< 50%
negative value
50%
0
80%
13.9
90%
22
95%
29.4
99%
46
100%
infinite
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Purpose: To evaluate the significance of a positive test result when making a diagnosis.
Objective: other testing
ICD-10: ,
