Male sex is an independent risk factor for patellar osteochondral fractures following acute patellar dislocation in pediatric patients

Journal of Experimental Orthopaedics

Table 2 Data for fractures

	n (%)
Articular Cartilage Involvement
Yes	13 (86.7)
No	2 (13.3)
Fracture Location
Zone 1	2 (13.3)
Zone 4	13 (86.7)
Visible on AP Knee XR
Yes	8 (53.5)
No	7 (46.5)
Visible on Merchant Knee XR
Yes	13 (86.7)
No	2 (13.3)
Surgery
Yes	13 (86.7)
No	2 (13.3)
Type of Surgery
MPFLR	8 (61.5)
MPFLR + ORIF Patella	5 (38.5)