Table 3 Comparison of results of US and MRE in our study population of 54 IBD patients, validated by the reference standard.

	Ultrasound				MRE				Total validated
	tp*	tn	fp	fn	tp	tn	fp	fn
Small bowel and/or colon inflammation	37	6	6	5	38	6	6	4	42/54
(Neo) terminal Ileum inflammation	22	24	4	3	24	27	1	1	25/54
Colon inflammation	20	25	3	5	18	23	5	7	25/54
Stenoses	4	43	4	3	4	44	3	3	7/54
Fistulae	4	47	0	3	6	47	0	1	7/54
Conglomerate tumors	5	46	1	2	6	46	1	1	7/54
Abscesses	6	42	2	4	8	44	0	2	10/54

* tp: true positive; tn: true negative; fp: false positive; fn: false negative.