Skip to main content

Table 2 Location of the center and edge of the tibial tunnel footprint

From: Morphological changes in tibial tunnels after anatomic anterior cruciate ligament reconstruction with hamstring tendon graft

 

Location (%)

Shift (%) (b-a)

P (a vs. b)

3 weeks post-op. a

1 year post-op. b

Anterior tunnels

Anterior-posterior direction

 Center

25.8 ± 3.1

26.7 ± 3.0

0.9 ± 1.0

n.s.

 Anterior edge

20.7 ± 2.9

21.4 ± 3.0

0.7 ± 1.5

n.s.

 Posterior edge

31.7 ± 3.3

32.8 ± 3.3

1.1 ± 1.2

n.s.

Medial-lateral direction

 Center

46.7 ± 2.9

47.4 ± 3.2

0.6 ± 1.2

n.s.

 Medial edge

40.0 ± 3.5

40.5 ± 3.8

0.5 ± 0.9

n.s.

 Lateral edge

54.0 ± 2.3

55.0 ± 2.4

0.9 ± 1.2

n.s.

Posterior tunnel

Anterior-posterior direction

 Center

39.6 ± 4.5

42.1 ± 4.3

2.5 ± 1.3

< 0.001 c

 Anterior edge

35.6 ± 4.5

37.0 ± 4.2

1.4 ± 0.9

< 0.001 c

 Posterior edge

44.1 ± 5.2

47.4 ± 6.6

3.6 ± 1.6

< 0.001 c

Medial-lateral direction

 Center

46.0 ± 3.0

47.6 ± 2.8

1.6 ± 1.0

< 0.001 c

 Medial edge

43.0 ± 3.5

44.1 ± 3.3

1.1 ± 1.0

n.s.

 Lateral edge

48.9 ± 3.0

51.1 ± 2.7

2.2 ± 1.2

< 0.001 c

  1. Mean ± standard deviation
  2. Post-op. postoperatively
  3. c statistically significant difference with the Wilcoxon signed-rank test (P < 0.05)