From: Medial patellofemoral ligament reconstruction using a bone groove and a suture anchor at patellar: a safe and firm fixation technique and 3-year follow-up study
Male
Female
P value
Type I
Case
13
16
Safety angle
45.32 ± 1.76
41.20 ± 1.33
0.01
Type 2
27
38
69.74 ± 1.38
63.66 ± 1.45
0.02
Type 3
10
84.11 ± 1.67
80.26 ± 1.73
<0.01