Table 1.

Energy-dispersive X-ray spectroscopy (EDS) (%).

Elements	Chemical Compositions (wt %)
	Cortical	Cancellous
C	13.79 ± 9.32	5.63 ± 0.26
O	41.37 ± 4.07	38.63 ± 4.46
Na	0.77 ± 0.65	0.29 ± 0.16
Mg	0.20 ± 0.20	0.37 ± 0.12
P	14.78 ± 3.59	17.72 ± 1.27
Ca	29.04 ± 9.29	37.35 ± 4.05
Ca/P	1.96	2.11