1198 / 1983
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
80 %
90 %
80 %
90 %
80 %
90 %
PPV
NPV
TP / TP + FP
TN / TN + FN
47 %
98 %
89 %
82 %
99 %
33 %