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

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

Group Medial collateral ligament injury P
Yes No Incidence
A 0 5 0.0% 0.048
B 4 1 80.0%
  1. Note: since N < 40 and T < 5, the Fisher exact probability method (two-sided) was adopted