Skip to main content

Table 4 Frequency of true positives (TP), false positives (FP), true negatives (TN), and false negative (FN) as a function of four various probe positive threshold criteria

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

Threshold criteria method TP FP TN FN
3-Sigma Statistical 228 31 47 95
4.3-Sigma Statistical 211 25 53 112
1.5-to-1 Ratiometric 138 12 66 185
1.33-to-1 Ratiometric 183 17 61 140