Prospective Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Jul 7, 2015; 21(25): 7851-7859
Published online Jul 7, 2015. doi: 10.3748/wjg.v21.i25.7851
Table 2 Sensitivity, specificity, positive and negative predictive value of the TRIMprob analysis compared to the gold standard (colonoscopy and histology) in detecting biological anomalies of colonic mucosa for the whole cohort, and for the non-inflammatory bowel disease cohort
HistologyColonoscopy(No. of positive cases/total No. of cases)TRIMProb(No. of TP, FP, FN, TN)Sensitivity, % (95%CI)Specificity, % (95%CI)Positive predictive value, % (95%CI)Negative predictive value, % (95%CI)
All cases156/30515412213798.791.992.898.6
(IBD + Non IBD)(95.4-99.6)(86.4-95.3)(87.8-95.8)(94.9-99.6)
Non IBD cases149/2811475212798.796.296.798.4
(95.2-99.6)(91.4-98.4)(92.5-98.6)(94.5-99.6)
Hyperplastic173/281714220497.398.194.799
(90.5-99.2)(95.2-99.2)(87.0-97.9)(96.5-99.7)
Adenomas247/281404723085.198.390.997
(72.3-92.6)(95.7-99.3)(78.8-96.4)(94.0-98.6)
Advanced adenomas317/281141326382.499.693.398.9
(58.9-93.8)(97.9-99.9)(70.2-98.8)(96.7-99.6)
Cancer12/2811200269100100100100
(75.7-100.0)(98.5-100.0)(75.7-100.0)(98.6-100.0)