Evaluating the efficacy of interventional hepatocellular carcinoma via dynamic contrast-enhanced magnetic resonance imaging: A retrospective study

Table 4 The value of predicting the postoperative efficacy of liver cancer intervention using the difference between liver dynamic contrast-enhanced magnetic resonance imaging parameters apparent diffusion coefficient and transport constant in 120 patients before and after liver cancer intervention

Index	Cutoff	Area under the receiver operating characteristic curve	95%CI	Youden index	Sensitivity (%)	Specificity (%)	P value
Apparent diffusion coefficient difference	> 0.380 × 10-3 mm2/second	0.953	0.898-0.983	0.835	91.84	91.55	< 0.001
Transport constant difference	> 0.250 minute-1	0.933	0.872-0.970	0.785	89.80	88.73	< 0.001