Quantitative analysis of near-implant magnesium accumulation for a Si-containing coated AZ31 cage from a goat cervical spine fusion model

Table 2 Relative Mg mass fraction (ppm*10⁴) and corresponding Ca/P ratio

		3 wk	6 wk	12 wk	24 wk
1 mm	Mg	1.48 ± 0.22	1.26 ± 0.15	1.34 ± 0.15	0.85 ± 0.10
1 mm	Ca/P ratio	0.77 ± 0.10	1.12 ± 0.21	1.04 ± 0.05	0.97 ± 0.11
2 mm	Mg	1.15 ± 0.08	1.08 ± 0.20	1.08 ± 0.20	0.82 ± 0.06
2 mm	Ca/P ratio	0.85 ± 0.06	1.07 ± 0.07	0.98 ± 0.11	1.00 ± 0.12
3 mm	Mg	1.01 ± 0.09	0.87 ± 0.14	1.00 ± 0.14	0.79 ± 0.08
3 mm	Ca/P ratio	0.94 ± 0.16	1.15 ± 0.12	1.02 ± 0.09	1.02 ± 0.10
4 mm	Mg	0.99 ± 0.05	0.96 ± 0.06	0.88 ± 0.06	0.83 ± 0.05
4 mm	Ca/P ratio	1.00 ± 0.07	1.08 ± 0.05	1.01 ± 0.08	0.96 ± 0.09
5 mm	Mg	0.89 ± 0.14	0.83 ± 0.09	0.89 ± 0.09	0.79 ± 0.07
5 mm	Ca/P ratio	1.07 ± 0.07	1.15 ± 0.05	1.09 ± 0.11	1.03 ± 0.08
PB	Mg	0.82 ± 0.12	0.85 ± 0.12	0.88 ± 0.12	0.82 ± 0.05
PB	Ca/P ratio	1.08 ± 0.05	1.15 ± 0.17	1.09 ± 0.10	0.99 ± 0.1

ISSN: 1471-2474