Table 1.

Description of scoring system used

Lesion number score	Description
0	No lesions
I	1-2 localized lesions
II	3-5 localized lesions
III	6-10 lesions
IV	> 10 lesions or diffuse (or very large lesions)
Lesion severity score	Description
0	No lesions
I	Lesions appears superficial (only mucosa missing)
II	Small, single, or multifocal erosions or ulcers.
III	Large, single, or multifocal ulcers, or extensive erosions and sloughing
IV	Active hemorrhage or adherent blood clot