From: Safety of the application of Rigidfix cross-pin system via different tibial tunnels for tibial fixation during anterior cruciate ligament reconstruction
Group
Angle
Penetration of the articular surface
χ2
P
Yes
No
Incidence
A
0
2
50.0%
5.662
0.017
30
1
4
20.0%
60
5
0.0%
Total
3
11
21.4%
B
35–45
100.0%
40%
7
70%
14
41.7%