Comparison of dynamic contrast-enhanced-magnetic resonance imaging parameters and serum markers in preoperative rectal cancer evaluation: Combined diagnostic value

doi:10.4251/wjgo.v17.i5.103809

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World Journal of Gastrointestinal Oncology

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1948-5204

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World J Gastrointest Oncol. May 15, 2025; 17(5): 103809
Published online May 15, 2025. doi: 10.4251/wjgo.v17.i5.103809

Table 3 Analysis of receiver operating characteristic curves

Evaluation factors	AUC	95%CI	Threshold value	True positive rate	Selectivity	Yoden
T installment
Ktrans	0.835	0.762-0.908	0.286	79.825	75.632	0.555
Ve	0.812	0.736-0.888	0.375	77.234	73.521	0.508
DCE-MRI parameters	0.892	0.832-0.952	0.462	85.763	81.924	0.677
Degree of differentiation
Ktrans	0.821	0.748-0.894	0.273	78.632	74.825	0.535
Ve	0.803	0.728-0.878	0.362	76.523	72.934	0.495
DCE-MRI parameters	0.883	0.821-0.945	0.453	84.925	80.763	0.657

DCE-MRI: Dynamic contrast-enhanced magnetic resonance imaging; Ktrans: Volume transfer constant; Ve: Volume fraction of extravascular extracellular space; AUC: Area under the curve; CI: Confidence interval.

Citation: Wang Q, Zhang XY, Yang JF, Tao YL. Comparison of dynamic contrast-enhanced-magnetic resonance imaging parameters and serum markers in preoperative rectal cancer evaluation: Combined diagnostic value. World J Gastrointest Oncol 2025; 17(5): 103809
URL: https://www.wjgnet.com/1948-5204/full/v17/i5/103809.htm
DOI: https://dx.doi.org/10.4251/wjgo.v17.i5.103809