[Retracted] Evaluation of Angiogenesis and Pathological Classification of Extrahepatic Cholangiocarcinoma by Dynamic MR Imaging for E-Healthcare

Table 2

The correlation between the DCE-MRI perfusion parameters with pathological classification.

The ECC perfusion parameter	High differentiation (n = 15)	Moderate differentiation (n = 23)	Low differentiation (n = 12)	r value	value
Ktrans (min^−1)	0.431 ± 0.034	0.541 ± 0.161	0.472 ± 0.136	0.124	0.267
Kep (min^−1)	1.159 ± 0.561	1.521 ± 0.543	1.178 ± 0.965	0.068	0.583
Ve	0.472 ± 0.139	0.463 ± 0.128	0.474 ± 0.232	0.125	0.421