Radiographic scoring system for assessing dogs with osteoarthritis.
|Grade|| ||Radiographic evaluation|
|1||Mild||Doubtful narrowing of joint space and possible osteophytic lipping|
|2||Moderate||Definite osteophytes and possible narrowing of joint space|
|3||Severe||Moderate multiple osteophytes, definite narrowing of joints space, some sclerosis and possible deformity of bone contour|
|4||Very severe||Large osteophytes, marked narrowing of joint space, severe sclerosis and definite deformity of bone contour|