TABLE 1.

Values for the Anterior Window of Safety Obtained From 3-Dimensional Imaging Analysis^a

Tunnel length, mm	31.8 ± 3.7
Tunnel diameter, mm	10.3 ± 1.4
	Anterior to Medial Epicondyle	Superior/Inferior to Medial Epicondyle
Skin entry point, mm	16.9 ± 12.1	7.1 ± 5.9 superior
Bone entry point, mm	12.1 ± 3.5	2.4 ± 3.5 inferior
	In Reference to Joint Line	In Reference to Longitudinal Axis of Femur
Coronal angle, deg	49.7 ± 7.3	44.5 ± 10.3
Sagittal angle, deg	43.7 ± 9.7	46.4 ± 9.3

^aData are reported as mean ± SD.