Table 3.

Criteria for the assessment of ileal villus damage from SEM micrographs, modified from Gomide Junior et al.⁹⁴.

Criteria	Degree of damage
No apparent loss of epithelium (normal villi)	0
Small areas of epithelium loss on 1 to 3 villi	1
Small areas of epithelium loss on more than 3 villi	2
Large areas of epithelium loss exposing lamina propria, and presence of debris on 1 to 3 villi	3
Severe damage of the tip of villus on more than 3 villi, associated with shorten/thicken villi or villi atrophy	4