Table 6.
Radiological Signs according to the Fairbank Criteria
| Radiological signs | Ipsilateral | Contralateral |
| Spurring of tibial spines | 16 | 4 |
| Marginal osteophytes | 23 | 5 |
| Flattening of fem & tib | 13 | 2 |
| Narrowing of joint space | 5 | 1 |
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