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Table 2 Statistical analysis of the TPC injury caused by Rigidfix cross-pin system through different tibial tunnels

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

2

50.0%

5.662

0.017

30

1

4

20.0%

60

0

5

0.0%

Total

3

11

21.4%

B

35–45

5

0

100.0%

60

2

3

40%

Total

7

3

70%

Total

11

14

41.7%