Table 3.

Macroscopic Damage Index (MDI) Scoring Criteria (Macroscopic Evaluation)

Macroscopic Features	Score
No macroscopic changes	0
Mucosal erythema only	1
Mild mucosal oedema, slight bleeding or small erosions	2
Moderate oedema, slight bleeding ulcers or erosions	3
Severe ulceration, oedema and tissue necrosis	4