EBRO 2017

How good is your diagnosis ?

P(N+) = 10 % P(N+) = 50 % P(N+) = 90 % PET+ PET- Total PET+ PET- Total PET+ PET- Total

N+

8 2 10 40 10 50 72 18 90

N-

9 81 90 5 45 50 1 9 10

Total

17 83 100 45 55 100 73 27 100

P(N+)

10 % 50 % 90 %

Se Sp

TP / TP + FN TN / TN + FP TP / TP + FP TN / TN + FN

80 % 90 % 47 % 98 %

80 % 90 % 89 % 82 %

80 % 90 % 99 % 33 %

PPV NPV