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Table 3 Details of the radiographic scoring scheme

From: The effect of robenacoxib on the concentration of C-reactive protein in synovial fluid from dogs with osteoarthritis

a) For each of 11 different sites, the size of osteophytes was measured in millimetres and a score was assigned:
0 Absence of osteophytes    
1 Osteophytes smaller than 2 mm    
2 Osteophytes between 2 and 5 mm    
3 Osteophytes greater than 5 mm    
b)The osteophyte score for each site was totaled and then converted to a final score of 1-3
From 0 to 10 Mild 1   
> 10 to 20 Moderate 2   
> 20 Severe 3   
c) The final osteophyte score, bone opacity score, joint effusion score and global score were summed to give the overall score (maximum possible 12)
Parameter Absent Mild Moderate Severe
Osteophytes 0 1 2 3
↑ Bone opacity 0 1 2 3
Joint effusion 0 1 2 3
Global score 0 1 2 3
     Total maximum score 12