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Table 7 Dualistic logistic regression analysis of Ktrans, Kep, ADC, and combined quantitative parameters, and their predictive impact on pathologic EMVI

From: Preoperative prediction of extramural venous invasion in rectal cancer by dynamic contrast-enhanced and diffusion weighted MRI: a preliminary study

Parameters

AUC

Sensibility

Specificity

Youden index

Odds ratio

P value

Ktrans

0.779

0.857

0.684

0.505

5.085

0.02

Kep

0.743

0.893

0.611

0.504

1.413

0.598

ADC

0.743

0.643

0.741

0.384

0.196

< 0.01

Combined

0.856

0.964

0.593

0.557

  1. Combined: Ktrans + Kep + ADC. The prediction performance of the model was evaluated by ROC curve