Table 17.

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 age (N = 96).

	Age group
	AM ± SD
	Med.
	QL–QU
	20–50	51–60	61–70	71–80	>80
	n = 11	n = 27	n = 30	n = 18	n = 10
Ca FH∗	158198.7 ± 38763.7	128491.7 ± 32287.9	142865.8 ± 41041.9	136323.9 ± 30232.2	117447.4 ± 25831.3
	158656	119666	136459	135038	121188
	119568–194996	104066–158906	104148–180870	112362–158708	92534–138612
P FH	72958.8 ± 17399.0	59432.8 ± 15271.7	65732 ± 18749.4	61975.2 ± 14169.0	52665.89 ± 11992.4
	71803.96	54516.5	63332	62014.79	53548.95
	56613.8–92310.8	48103.8–72450.9	47194–81518	50192.0–73190.1	40807.6–59649.0
Mg FH	1675.5 ± 264.4	1357.3 ± 311.6	1511.3 ± 382.9	1452.2 ± 379.6	1232.7 ± 325.1
	1734.02	1224.56	1481.88	1350.05	1299.93
	1521.88–1919.11	1112.9–1607.55	1200.59–1784.71	1261.19–1635.77	912.79–1380.28
Sr FH	57.38 ± 44.36	38.93 ± 13.78	51.54 ± 32.58	36.22 ± 14.79	34.16 ± 10.28
	42	40.48	36.34	34.31	33.41
	24.48–87.53	24.83–46.18	29.07–60.9	25.47–42.93	26.96–43.55
Ca FN∗∗	168736.1 ± 46354.7	164040.1 ± 33363.7	163121.1 ± 45040.8	149062.8 ± 37371.2	123043.4 ± 25357.7
	176572	162990	162856	152295	127221
	125302–214280	134490–200640	128094–209680	121488–174288	101530–141492
P FN	77115.9 ± 21627.3	73381.2 ± 14886.5	73111.8 ± 19676.9	66838.4 ± 17941.8	55660.2 ± 11790.0
	82532.67	71312.87	72363.86	67434.43	57634.75
	54786.4–101807.6	60465.3–85978	57948.0–88971.4	55192.08–78304	45022–64054.72
Mg FN	1636.91 ± 307.05	1660.16 ± 272.33	1631.32 ± 358.02	1501.81 ± 305.75	1343.52 ± 260.56
	1544.1	1681.6	1654.69	1507.45	1397.65
	1410.69–1910.4	1478.3–1793.73	1372.67–1865.9	1283.17–1642.48	1175.38–1534.37
Sr FN	60.53 ± 35.13	49.33 ± 21.89	50.53 ± 22.6	36.52 ± 12.22	36.64 ± 11.51
	52.54	44.62	44.97	37.96	34.37
	31.68–80.56	33.76–57.13	34.22–62.84	27.18–44.08	25.64–44.54

^∗FH: femoral head; ^∗∗FN: femoral neck; AM: arithmetic mean; SD: standard deviation; Med.: median; QL: lower quartile; QU: upper quartile.