BioMed Research International

Research Article

Morphometric Evaluation of Korean Femurs by Geometric Computation: Comparisons of the Sex and the Population

Table 2

Comparison of femur parameters by sex.


Group	Abbreviation	Female		Male		Combined
Group	Abbreviation	Mean	SD	Mean	SD	Mean	SD

Whole	HMA (mm)	404.65	18.11	434.43	19.29	417.41	23.73	<0.01
	HAA (mm)	403.97	18.10	434.19	23.90	416.96	23.90	<0.01
	HOB (mm)	401.71	17.87	431.62	23.66	414.52	23.66	<0.01
	AMAC (deg.)	5.49	0.89	5.42	0.82	5.46	0.86	0.57
	AMAS (deg.)	3.80	0.88	3.07	1.03	3.49	1.02	<0.01

Proximal	HSD (mm)	43.25	2.12	48.50	2.23	45.50	3.39	<0.01
	HCO (mm)	37.26	5.40	38.69	5.29	37.88	5.39	0.72
	NA2D (deg.)	130.80	6.34	129.56	6.09	130.27	6.25	0.18
	NA3D (deg.)	127.70	5.80	128.16	6.35	127.90	6.06	0.60
	VAAP (deg.)	20.34	10.54	14.61	10.30	17.89	10.79	<0.01

Diaphysis	PDA (deg.)	7.31	1.60	7.90	1.42	7.56	1.55	<0.01
	CDA (deg.)						0.52	<0.01
	DDA (deg.)						1.71	0.18
	ACC (mm)	1350.98	741.17	1381.04	473.02	1364.16	636.25	0.06
	PCC (mm)	755.65	160.78	889.69	188.15	814.43	185.25	<0.01
	CL (mm)	274.47	14.95	289.61	16.56	281.11	17.35	<0.01
	ST (mm)	13.82	2.83	13.43	2.87	13.65	2.85	0.35

Distal	DLC (mm)	58.39	2.76	64.63	3.65	60.11	4.43	<0.01
	WLC (mm)	24.05	2.00	27.96	1.91	25.76	2.76	<0.01
	DMC (mm)	55.25	3.02	61.22	3.06	57.85	4.24	<0.01
	WMC (mm)	23.46	2.39	25.78	1.85	24.47	2.45	<0.01
	DIN (mm)	27.16	1.85	30.50	2.05	28.61	2.25	<0.01
	WIN (mm)	18.97	2.75	21.66	2.66	20.14	3.02	<0.01

Medullary canal	IPDE (mm)	403.97	18.10	434.19	23.90	416.96	23.90	<0.01
	MLWI (mm)	9.59	1.93	9.60	1.94	9.60	1.93	0.98
	APWI (mm)	10.97	2.60	11.51	2.35	11.24	2.49	0.22
	MLWM (mm)	10.24	1.82	11.48	1.96	10.77	1.97	<0.01
	APWM (mm)	12.41	2.08	13.71	2.19	12.97	2.22	<0.01

The result of nonparametric test by Mann-Whitney test.
HMA: height after mechanical axis alignment, HAA: height after anatomical axis alignment, HOB: height measured by osteometric board, AMAC: angle between mechanical axis and anatomical axis in coronal plane, AMAS: angle between mechanical axis and anatomical axis in sagittal plane, HSD: sphere diameter fit to head, HCO: head center offset, NA2D: neck angle on coronal plane, NA3D: neck angle in 3D vector, VAAP: version angle on axial plane, PDA: proximal diaphysis (1/3) angle on sagittal plane, CDA: central diaphysis (2/3) angle on sagittal plane, DDA: distal diaphysis (3/3) angle on sagittal plane, ACC: anterior cortex curvature on sagittal plane, PCC: posterior cortex curvature on sagittal plane, CL: chord length, ST: subtense, DLC: depth of lateral condyle, WLC: width of lateral condyle, DMC: depth of medial condyle, WMC: width of medial condyle, DIN: depth of intercondylar notch, WIN: width of intercondylar notch, IPDE: isthmic position from distal end, MLWI: mediolateral width at isthmus, APWI: anteroposterior width at isthmus, MLWM: mediolateral width at mid center, and APWM: anteroposterior width at mid center.