The Content of the 14 Metals in Cancellous and Cortical Bone of the Hip Joint Affected by Osteoarthritis

Table 10

Concentrations of elements (in mg/kg on dry mass basis) and differences between them in the cancellous and cortical bone of the femur according to contact with chemicals ().

Contact	Femoral head			Femoral neck
	AM ± SD			AM ± SD
	Med.			Med.
	QL–QU			QL–QU
	Yes	No	M-W	Yes	No	M-W
Ca	129760 ± 30767	139711 ± 38092	NS	155742 ± 38132	157848 ± 41674	NS
	121696	133780		153604	150986
	106560–143042	106146–173244		131382–181456	125924–184734
Mg	1385.5 ± 294.8	1473.3 ± 382.7	NS	1559.1 ± 338.4	1597.4 ± 314	NS
	1334.5	1384.04		1522	1612.97
	1183.17–1610.5	1159.13–1784.71		1387.55–1732.5	1372.67–1793.73
P	60891.1 ± 15375.9	63515.9 ± 17395.5	NS	68897.5 ± 17470.4	71411.8 ± 18695.6	NS
	59071.29	59118		70672.38	68560
	48262–69132.67	47872.9–78380.2		55192.08–81000	57827.45–84699.01
Na	5427.4 ± 1079.4	5483.5 ± 1036.1	NS	4559.5 ± 998.3	4733.9 ± 833.2	NS
	5334.02	5456.31		4458	4812.28
	4975.84–6217.92	4648.33–6093.08		3935.54–5181.37	4072.3–5358.02
K	687.4 ± 251.4	909.4 ± 796.7	NS	1094.3 ± 1822.1	919.2 ± 663.7	NS
	611.65	712.87		570	770
	500–810	564.36–1039.6		450–950	534.65–1138.61
Zn	72.8 ± 13.5	71.8 ± 17.1	NS	69.4 ± 14.6	68.4 ± 12.9	NS
	71.01	69.75		69.42	65.4
	62.61–81.98	57.65–87.98		57.56–76.51	58.76–75.45
Cu	1 ± 1	0.9 ± 0.8	NS	1 ± 1.5	0.8 ± 1	NS
	0.9	0.76		0.58	0.77
	0.04–1.66	0.04–1.37		0.04–1.22	0.04–1.12
Cr	1.6 ± 3.1	1.2 ± 1.8	NS	1.6 ± 1.8	1.4 ± 1.7	NS
	0.5	0.48		0.95	0.7
	0.12–1.68	0.12–1.67		0.51–1.91	0.12–1.7
Ni	1.1 ± 1.9	0.4 ± 0.8		1.2 ± 3	0.6 ± 1.9	NS
	0.21	0.03		0.03	0.03
	0.03–1.08	0.03–0.5		0.03–0.54	0.03–0.49
Fe	119.2 ± 104.9	126.7 ± 107.4	NS	132.7 ± 119.1	131 ± 148	NS
	96.44	90.8		91.7	90.24
	47.26–144.48	55.58–142.18		71.23–141.99	50.35–155.29
Sr	39.3 ± 26.7	46 ± 26.3	NS	44.4 ± 23.5	48.5 ± 22.4	NS
	34.17	37.97		42.55	44.54
	25.81–41.54	26.96–54.91		29.8–47.52	33.27–56.27
Mo	0.5 ± 0.6	0.6 ± 0.6	NS	0.8 ± 0.7	0.7 ± 0.7	NS
	0.18	0.18		0.86	0.18
	0.18–0.18	0.18–1.15		0.18–1.44	0.18–1.33
Ba	2.3 ± 1.3	2.5 ± 1.8	NS	2.5 ± 1.3	2.4 ± 1.3	NS
	1.9	2.1		2.25	2.24
	1.57–2.94	1.45–3.09		1.46–3.49	1.38–3.11
Pb	1.4 ± 1.8	1 ± 1.4	NS	1 ± 1.3	1.1 ± 1.4	NS
	0.32	0.32		0.32	0.32
	0.32–2.18	0.32–1.53		0.32–1.28	0.32–1.81

AM: arithmetic mean; SD: standard deviation; Med.: median; QL: lower quartile; QU: upper quartile; M-W, Mann-Whitney -test; : level of significance; NS: nonsignificant difference.