Table 9.

ROC analysis for differentiating grade 1 versus grade 2/3 inflammation, oedema, and prominent muscle hypertrophy versus prominent fibrosis.

Parameter	Inflammation					Oedema					Prominent muscle hypertrophy versus prominent fibrosis
	AUC	p	Cut-off	Se	Sp	AUC	p	Cut-off	Se	Sp	AUC	p	Cutoff	Se	Sp
Length of involved bowel	0.7	0.036	4.5 mm	88%	60%	0.527	0.766				0.713	0.054
Wall thickness on T2WI	0.64	0.142				0.527	0.766				0.742	0.029	7.4 mm	61%	89%
Wall thickness on T1WI post-contrast	0.725	0.018	5.9 mm	72%	73%	0.651	0.102				0.711	0.056
ADC	0.728	0.029	1.11 × 10-3 mm2/s	70%	75%	0.602	0.305				0.556	0.637
MaRIA score	0.736	0.013	26.1	96%	53%	0.697	0.032	23.5	90%	50%	0.71	0.058
Clermont score	0.667	0.11				0.776	0.005	28.7	90%	63%	0.727	0.054

Significant p-values are bolded.

Se, sensitivity; Sp, specificity; AUC, area under the curve.