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Table 2 Summary of results

From: A comparison of femoral tunnel placement in ACL reconstruction using a 70° arthroscope through the anterolateral portal versus a 30° arthroscope through the anteromedial portal: a pilot 3D-CT study

 

70° arthroscope view from anterolateral portal

(Group 1)

30° arthroscope view from anteromedial portal

(Group 2)

P value

Position

 Depth (mean % DS ± SD)

33.3 ± 6.0

31.7 ± 6.9

n.s.

 Height (mean % HL ± SD)

27.2 ± 5.2

29.0 ± 6.2

n.s.

Accuracy (% distance from TC to AC)

7.0

9.0

n.s.

 Number (%) within 5%

10 (33%)

3 (18%)

n.s

 Number (%) within 10%

23 (77%)

9 (53%)

n.s.

 Number (%) within 15%

29 (97%)

16 (94%)

n.s.

Precision (SD of % absolute differences)

3.7

3.8

n.s.

  1. AC aperture centre, DS deep–shallow, HL high–low, n.s. not significant, SD standard deviation, TC true centre