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Table 2 Femoral-tunnel length with 3-dimensional (3D) drilling angle through the anteromedial (AM) portal with and without notchplasty

From: Anterior cruciate ligament femoral-tunnel drilling through an anteromedial portal: 3-dimensional plane drilling angle affects tunnel length relative to notchplasty

3D entrance angle (coronal/axial/sagittal) Before notchplasty (mm) After 3 mm notchplasty (mm) After 5 mm notchplasty (mm) P value
20o/70o/45o 34.09 ± 2.99 31.73 ± 2.47 30.38 ± 2.11 0.002
30o/60o/45o 36.11 ± 2.28 33.08 ± 2.15 31.26 ± 2.08 < 0.001
45o/45o/45o 38.45 ± 3.63 35.06 ± 3.25 32.98 ± 3.04 < 0.001
60o/30o/45o 46.28 ± 4.34 42.78 ± 3.19 40.31 ± 3.36 0.019
75o/15o/45o 54.01 ± 4.08 52.87 ± 3.50 50.46 ± 3.13 0.043