Disease Likelihood by a Positive Clue
Test or clue C is being applied to two diseases: D1 and D2
Disease Occurrence Sensitivity Likelihood
D1 0.20 (200 pts) 0.10 (20 pts) 0.80
D2 0.01 (10 pts) 0.50 (5 pts) 0.20
This is an example of a situation wherein the uncommon manifestations of a common disease are more common than the common manifestations of an uncommon disease.