Dynamic contrast-enhanced magnetic resonance imaging and diffusion-weighted imaging in the activity staging of terminal ileum Crohn's disease

Table 3 Correlations of parameters of inflamed terminal ileum with Crohn’s Disease Activity Index and Crohn’s Disease Endoscopic Index of Severity in different staging of Crohn’s disease

Parameter	CDAI		CDEIS
	r	P value	r	P value
Ktrans (min -1)	0.866	< 0.001	0.563	< 0.001
Kep (min -1)	0.870	< 0.001	0.567	< 0.001
Ve	0.858	< 0.001	0.571	< 0.001
ADC (× 10-3 mm2/s)	-0.857	< 0.001	-0.536	< 0.001
MaRIA	0.890	< 0.001	0.842	< 0.001

CDAI: Crohn’s Disease Activity Index; CDEIS: Crohn’s Disease Endoscopic Index of Severity; ADC: Apparent diffusion coefficient; MaRIA: Magnetic Resonance Index of Activity.