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

Table 7

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 cigarette smoking ().

Metal	Femoral head			Femoral neck
	AM ± SD			AM ± SD
	Med.			Med.
	QL–QU			QL–QU
	Smokers ()	Nonsmokers ()	M-W	Smokers ()	Nonsmokers ()	M-W
Ca	117495 ± 28846	142758 ± 36287		163117 ± 38410	155351 ± 41149	NS
	109008	139422		146176	153604
	97994–139194	112362–169574		134048–203900	125302–181456
P	53711 ± 13014	65562 ± 16893		73176 ± 16717	69857 ± 18783	NS
	50535.9	64623		68560	71192
	44247–63841	51705–78096		59106–90919	56192–82532
Mg	1300.7 ± 293.7	1492.8 ± 367.3		1673.5 ± 294.2	1558.2 ± 325	NS
	1288.8	1455.6		1657.2	1552.9
	1094.1–1521.9	1219.4–1764.8		1400–1934.1	1342.4–1740.4
Na	5479.5 ± 897.4	5462.4 ± 1091.7	NS	4878.5 ± 874.6	4619.1 ± 884.6	NS
	5383.98	5451.2		4628.4	4663.8
	4955.94–5915.15	4648.33–6169.32		4196.9–5467.3	3935.5–5246.2
K	789.2 ± 375.5	859.1 ± 759	NS	964 ± 950.6	974.7 ± 1194.8	NS
	712.9	663.4		637.3	660
	550–1039.6	519.6–960		534.7–1138.6	500–980
Zn	66.01 ± 12.24	74.01 ± 16.63		73.67 ± 15.54	67.14 ± 12.33	NS
	65.91	72.1		66.77	65.87
	55.04–75.8	62.64–89.45		62.63–83.77	57.56–75.2
Cu	0.94 ± 0.78	0.9 ± 0.91	NS	0.88 ± 1.46	0.89 ± 1.05	NS
	0.89	0.72		0.04	0.79
	0.04–1.45	0.04–1.5		0.04–1.44	0.04–1.18
Cr	2 ± 3.57	1.12 ± 1.6	NS	1.65 ± 1.92	1.38 ± 1.68	NS
	0.43	0.5		0.95	0.76
	0.12–1.95	0.12–1.41		0.45–2.28	0.12–1.58
Ni	0.72 ± 1.47	0.56 ± 1.19	NS	1.28 ± 3.11	0.63 ± 1.95	NS
	0.03	0.03		0.03	0.03
	0.03–1.05	0.03–0.69		0.03–1.15	0.03–0.49
Fe	111.55 ± 79.08	128.47 ± 113.56	NS	94.12 ± 44.24	143.3 ± 156.24	NS
	90.8	96.44		88.64	93.52
	47.26–171.83	54.54–142.18		56.73–136.87	55.28–167.62
Sr	38.43 ± 14.88	45.73 ± 29.03	NS	49.82 ± 16.72	46.46 ± 24.32	NS
	36.39	36.74		45.73	41.89
	25.22–44.43	26.16–52.99		39.73–57.13	29.86–52.54
Mo	0.54 ± 0.6	0.57 ± 0.6	NS	0.66 ± 0.58	0.75 ± 0.71	NS
	0.18	0.18		0.18	0.18
	0.18–1.02	0.18–1.15		0.18–1.21	0.18–1.43
Ba	2.5 ± 2.1	2.5 ± 1.5	NS	2.71 ± 1.54	2.32 ± 1.21	NS
	2.04	2.09		2.63	2.07
	1.52–2.97	1.46–3.08		1.41–3.48	1.35–3.11
Pb	1.38 ± 1.67	1.08 ± 1.46	NS	1.04 ± 1.33	1.09 ± 1.4	NS
	0.32	0.32		0.32	0.32
	0.32–2.18	0.32–1.44		0.32–1.35	0.32–1.57

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