Retrospective Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. Sep 21, 2017; 23(35): 6448-6456
Published online Sep 21, 2017. doi: 10.3748/wjg.v23.i35.6448
Table 4 Comparison of contrast-enhanced computed tomography and positron emission tomography/computed tomography in the detection of recurrence according to pathological type
TypeImagingSensitivity (%)Specificity (%)Positive predictive value (%)Negative predictive value (%)Accuracy (%)P value
OverallCT97 (58/60)97 (58/60)97 (58/60)97 (58/60)97 (114/120)0.096
PET/CT82 (49/60)95 (57/60)94 (49/52)84 (57/68)88 (106/120)
AdenocarcinomaCT98 (50/51)95 (52/55)94 (50/53)98 (52/53)96 (102/106)0.035
PET/CT80 (41/51)95 (52/55)93 (41/44)84 (52/62)88 (93/106)
Signet ring cell carcinomaCT100 (5/5)100 (2/2)100 (5/5)100 (2/2)100 (7/7)1
PET/CT80 (4/5)100 (2/2)100 (4/4)67 (2/3)86 (6/7)
Mucinous adenocarcinomaCT75 (3/4)100 (3/3)100 (3/3)75 (3/4)86 (6/7)1
PET/CT100 (4/4)100 (3/3)100 (4/4)100 (3/3)100 (7/7)