Table 1.

Endoscopic variables and scoring according to the WSAVA Gastrointestinal Standardization Group (adapted from ref. 16)

Ability to distend the lumen
Edema
Hyperemia/vascularity
Discoloration
Friability
Texture
Hemorrhage
Erosion/ulcer
Lacteal dilatation
Contents

Score: 0= normal; 1= mild; 2= moderate; 3= severe