Safety of the application of Rigidfix cross-pin system via different tibial tunnels for tibial fixation during anterior cruciate ligament reconstruction

Table 1 Statistical analysis of the incidence of MCL injury in tunnels between groups A and B

Group	Medial collateral ligament injury			P
Group	Yes	No	Incidence	P
A	0	5	0.0%	0.048
B	4	1	80.0%	0.048

Note: since N < 40 and T < 5, the Fisher exact probability method (two-sided) was adopted

ISSN: 1471-2474