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

Table 3

Comparison of patella location between two groups.

	Group A (n = 65)	Group B (n = 29)	value
Insall–Salvati index	1.28 ± 0.18	1.25 ± 0.18	0.429
Caton–Deschamps index	1.22 ± 0.19	1.18 ± 0.16	0.260
Blackburne–Peel index	1.09 ± 0.22	1.07 ± 0.15	0.338
Lateral patellofemoral angle (°)	15.40 ± 3.91	14.74 ± 4.92	0.545
Patellar tilt angle (°)	19.05 ± 5.66	18.21 ± 6.08	0.284
Lateral patellar displacement (mm)	13.76 ± 4.54	14.28 ± 4.63	0.615