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Insights into Imaging
Fig. 4 | Insights into Imaging

Fig. 4

From: Value of texture analysis based on dynamic contrast-enhanced magnetic resonance imaging in preoperative assessment of extramural venous invasion in rectal cancer

Fig. 4

a ROC curve of the nomogram in the train cohort. The AUC is 0.954. When the cutoff value is 0.458, the specificity is 0.926 and the sensitivity is 0.882. b ROC curve of the nomogram in the validation cohort. The AUC is 0.833. When the cutoff value is 0.661, the specificity is 1.000 and the sensitivity is 0.667. c ROC curve of the nomogram in the validation cohort. The AUC is 0.877. When the cutoff value is 0.337, the specificity is 0.846 and the sensitivity is 1.000. ROC, receiver operating characteristic; AUC, area under ROC curve

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