Table 3 Diagnostic performances of ⁶⁸Ga-PSMA PET/CT and mpMRI, for LN Invasion: per-patient analysis and Per LN-analysis

No. of true-positive cases

14

49

14

49

No. of true-negative cases

26

568

25

567

No. of false-positive cases

1

2

2

3

No. of false-negative cases

1

2

1

2

Sensitivity

(14/15) 93.33%

(49/51) 96.08%

(14/15) 93.33%

(49/51) 96.08%

Specificity

(26/27) 96.30%

(568/570) 99.65%

(26/27) 96.30%

(567/570) 99.47%

PPV

(14/15) 93.33%

(49/51) 96.08%

(14/16) 87.5%

(49/52) 94.23%

NPV

(26/27) 96.30%

(568/570) 99.65%

(15/16) 96.15%

(567/569) 99.65%