Three-Dimensional Analysis of the Characteristics of the Femoral Canal Isthmus: An Anatomical Study

Table 4

Paired samples -test of the anatomical parameters of the femurs and the isthmuses between different lateralities (, mean ± SD).

Items	Left side (mean ± SD)	Right side (mean ± SD)	Difference (mean ± SD)
F-length (mm)	428.48 ± 24.92	427.84 ± 25.18	0.63 ± 3.69	2.446	0.015
F-radius (mm)	997.14 ± 217.56	939.16 ± 185.78	57.98 ± 95.79	8.645	<0.001
I-diameter (mm)	10.59 ± 1.51	10.39 ± 1.53	0.2 ± 0.61	4.697	<0.001
I-height (mm)	236.95 ± 26.43	235.31 ± 24.89	1.64 ± 21.59	1.085	0.279
I-index	0.55 ± 0.051	0.55 ± 0.045	0.0033 ± 0.051	0.917	0.36
LI-distance (mm)	115.15 ± 22.26	117.48 ± 20.59	−2.33 ± 21.66	−1.539	0.125
T-length (mm)	58.51 ± 22.24	59.01 ± 22.38	−0.49 ± 23.66	−0.298	0.766
T-index	0.55 ± 0.04	0.55 ± 0.044	0.0037 ± 0.031	1.692	0.092
T-length (mm)	62.06 ± 40.8	60.65 ± 23.66	1.41 ± 42.42	0.475	0.635
AP-angle (degrees)	80.99 ± 2.83	80.54 ± 5.05	0.46 ± 5.2	1.254	0.211
L-angle (degrees)	84.58 ± 2	84.31 ± 1.65	0.28 ± 1.54	2.565	0.011