Table 2 Radiographic features in X-Rays population
| Â | X-Rays population |
|---|---|
KL grade (N = 80) | |
 I | 8 |
 II | 33 |
 III | 27 |
 IV | 12 |
OARSI grade for JSN (N = 80) | |
 0 | 4 |
 1 | 28 |
 2 | 21 |
 3 | 27 |
OARSI grade for Ost (N = 79) | |
 0 | 4 |
 1 | 19 |
 2 | 25 |
 3 | 31 |
OARSI grade for SC (N = 78) | |
 0 | 66 |
 1 | 12 |
JSN location (N = 79) | |
 None | 4 |
 Superolateral | 45 |
 Superomedial-axial | 21 |
 Diffuse | 3 |
 Posterior | 6 |
Architectural abnormalities (N = 77) | |
 None | 42 |
 Dysplasia | 6 |
 Femoro-acetabular impingement | 15 |
 Coxa profunda | 14 |