| Treatment groups |  | |
---|---|---|---|
Radiographic findings | DJW (169 knees) | Diclofenac (169 knees) | p value |
Kellgren and Lawrence X-ray grade [20] | Â | Â | NS |
   Grade 2 | 31 | 23 |  |
   Grade 3 | 71 | 80 |  |
   Grade 4 | 67 | 66 |  |
Knee compartment with most severe changes | Â | Â | NS |
   Medial tibiofemoral | 131 | 135 |  |
   Lateral tibiofemoral | 16 | 8 |  |
   Patellofemoral | 22 | 26 |  |