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. 2017 Nov 7;15:230. doi: 10.1186/s12967-017-1333-2

Table 3.

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

PSMA-PET CT mpMRI
Patient analysis LN analysis Patient analysis 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%

LN lymph node, NPV negative predictive value, PPV positive predictive value