Table 1.

Geometric characteristics of the femur

Dependent variable	Group		P value2
	Control1(n=15)	DON1(n=15)
Geometrical properties
Bone length, mm	50.8±1.8	50.8±1.9	n.s.
Bone length/mass ratio, mm·g-1	26.1±2.2	26.7±1.9	n.s.
A-P plane external diameter B, mm	4.36±0.39	4.36±0.08	n.s.
A-P plane internal diameter b, mm	1.44±0.12	1.67±0.07	n.s.
M-L plane external diameter H, mm	3.49±0.16	4.08±0.15	***
M-L plane internal diameter h, mm	1.39±0.24	1.86±0.20	**
Cross-sectional area A, mm2	10.24±0.69	11.60±0.85	*
Mean relative wall thickness MRWT	1.87±0.54	1.44±0.14	**
Vertical wall thickness WTV, mm	1.48±0.06	1.35±0.07	**
Cortical index CI, %	57.2±3.7	58.2±2.1	n.s.
Vertical cortical index CIV, %	56.0±3.0	61.9±4.6	**
Midshaft volume, mm3	185±10	235±5	**
Cross-sectional moment of inertia IX, mm4	12.4±0.9	16.4±3.2	**
Radius of gyration Rg, mm	1.16±0.03	1.18±0.07	n.s.

¹Data are presented as mean ±SD.

²Statistical significance: n.s. - not significant P > 0.05;

^*0.05 > P > 0.01;

^**0.01 > P > 0.001;

^***P < 0.001