Table 1.

Intestinal Ultrasound Parameters and Cut-off Values Per Parameter

IUS parameter	Technique/categories	Pathologic
BWT	(1x longitudinal plane  + 1 x cross-sectional plane)/2	BWT >2.0 mm (ileum), BWT >3.0 mm (colon), BWT >5.0 mm (rectum)
Color Doppler Intensity	0: absent;	Grade ≥2
	1: small spots (single vessels) within the wall
	2: long stretches within the wall
	3: long stretches extending into the mesentery
Wall layer stratification	0: preserved	Grade 1
	1: loss
Loss of haustration	0: preserved	Grade 1
	1: loss
Fatty wrapping	0: absent	Grade 1
	1: present

Abbreviations: IUS, intestinal ultrasound; BWT, bowel wall thickness).