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Table 2 Frequency of true positives (TP), false positives (FP), true negatives (TN), and false negative (FN) versus threshold criteria method

From: Comparison of two threshold detection criteria methodologies for determination of probe positivity for intraoperative in situ identification of presumed abnormal 18F-FDG-avid tissue sites during radioguided oncologic surgery

1.5-to-1 ratiometric threshold criteria method

Three-sigma statistical threshold criteria method

TP

FP

TN

FN

TP

FP

TN

FN

138

12

66

185

228

31

47

95