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Table 4 ROC analysis of 18F-FDG-PET findings for responders according to Mandard criteria (TRG1-2) and specifically to complete pathological response (ypCR).

From: The value of metabolic imaging to predict tumour response after chemoradiation in locally advanced rectal cancer

Variable End-point Cutoff AUC p Sens.% Esp.% PPV% NPV% Acc.%
SUV1 TRG1-2 10,07 0,618 0,160 45 70 50 65,6 60
  ypCR 10,14 0,615 0,243 45,5 74,4 33,3 82,9 68
SUV2 TRG1-2 ≤4,24 0,773 0,001 70 76,7 66,7 79,3 74
  ypCR ≤4,07 0,748 0,013 63 74,4 41,2 87,9 72
DSUV TRG1-2 8,90 0,545 0,593 45 70 50 65,6 60
  ypCR 9,735 0,508 0,935 36,4 71,8 26,7 80 64
RI TRG1-2 62,75 0,623 0,14,3 55 70 55 70 64
  ypCR 69,67 0,585 0,393 45,5 74,4 33.3 82.8 68