Research Article

[Retracted] Anatomic Risk Factors for Osteochondral Fracture of Acute First-Time Patellar Dislocation in Adolescents: A Retrospective Magnetic Resonance Imaging Study

Table 4

Comparison of patellofemoral matching between two groups.

Group A (n = 65)Group B (n = 29) value

Patellofemoral congruence angle (°)27.34 ± 10.2125.53 ± 9.470.523
Patellofemoral index2.10 ± 0.442.62 ± 0.51<0.001
Patellotrochlear index0.22 ± 0.070.28 ± 0.05<0.001