Table 4.
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 sex (N = 96).
| Femoral head | Femoral neck | |||||
|---|---|---|---|---|---|---|
| AM ± SD | AM ± SD | |||||
| Med. | Med. | |||||
| QL–QU | QL–QU | |||||
| Men (n = 39) | Women (n = 57) | M-W | Men (n = 39) | Women (n = 57) | M-W | |
| Ca | 142503 ± 36420 | 132738 ± 35772 | NS | 154831 ± 43196 | 158841 ± 38764 | NS |
| 139422 | 122400 | 153224 | 156350 | |||
| 108142–174294 | 104630–158906 | 125302–181456 | 125986–186928 | |||
|
| ||||||
| P | 65624 ± 16587 | 60738 ± 16755 | NS | 69124 ± 19596 | 71697 ± 17421 | NS |
| 65522 | 55350.5 | 70672.4 | 68560 | |||
| 50535.9–79484 | 47526.7–72451 | 55192.08–82266 | 57827.5–84699 | |||
|
| ||||||
| Mg | 1492.9 ± 344.5 | 1415.2 ± 368.5 | NS | 1566.1 ± 345.1 | 1599.3 ± 304.5 | NS |
| 1533.8 | 1335.6 | 1593.8 | 1606.9 | |||
| 1205.1–1784.7 | 1112.9–1644.6 | 1283.2–1793.7 | 1382.9–1790.4 | |||
|
| ||||||
| Na | 5522.7 ± 1096.3 | 5428 ± 1014.7 | NS | 4617.7 ± 1025.9 | 4724.7 ± 780.2 | NS |
| 5765.7 | 5399.5 | 4628.4 | 4719 | |||
| 4627.7–6308.9 | 4772.7–5824.5 | 3717.3–5343.6 | 4126.5–5223.4 | |||
|
| ||||||
| K | 677.3 ± 260.7 | 955.3 ± 848.3 | <0.05 | 775 ± 791.1 | 1107 ± 1311.5 | <0.01 |
| 584.91 | 780 | 570 | 792.08 | |||
| 490–840 | 570–1049.5 | 435.64–934.58 | 600–1168.32 | |||
|
| ||||||
| Zn | 76.75 ± 15.37 | 68.91 ± 15.77 | <0.05 | 69.63 ± 13.37 | 68.07 ± 13.46 | NS |
| 76.25 | 64.54 | 69.52 | 64.27 | |||
| 66.42–89.45 | 56.53–79.47 | 58.76–75.45 | 58.53–76.86 | |||
|
| ||||||
| Cu | 1.16 ± 1 | 0.74 ± 0.75 | <0.05 | 0.97 ± 1.25 | 0.83 ± 1.09 | NS |
| 1.07 | 0.64 | 0.8 | 0.58 | |||
| 0.04–1.77 | 0.04–1.14 | 0.04–1.44 | 0.04–1.1 | |||
|
| ||||||
| Cr | 1.34 ± 2.47 | 1.33 ± 2.1 | NS | 1.18 ± 1.33 | 1.62 ± 1.95 | NS |
| 0.61 | 0.44 | 0.89 | 0.76 | |||
| 0.12–1.41 | 0.12–1.69 | 0.12–1.44 | 0.12–2.28 | |||
|
| ||||||
| Ni | 0.88 ± 1.6 | 0.41 ± 0.93 | <0.05 | 0.99 ± 2.62 | 0.64 ± 2.03 | NS |
| 0.21 | 0.03 | 0.03 | 0.03 | |||
| 0.03–0.94 | 0.03–0.39 | 0.03–0.96 | 0.03–0.41 | |||
|
| ||||||
| Fe | 131.01 ± 114.31 | 119.91 ± 101.04 | NS | 111.75 ± 86.48 | 145.04 ± 165.46 | NS |
| 96.44 | 89.82 | 80.77 | 93.52 | |||
| 46.04–178.11 | 58.98–128.07 | 50.35–141.99 | 56.73–164.58 | |||
|
| ||||||
| Sr | 45.22 ± 30.76 | 43.14 ± 23.31 | NS | 47.24 ± 26.88 | 47.28 ± 19.58 | NS |
| 39.89 | 36.29 | 42.31 | 44.87 | |||
| 26.16–48.57 | 25.96–50.38 | 29.27–49.86 | 33.54–56.15 | |||
|
| ||||||
| Mo | 0.44 ± 0.51 | 0.65 ± 0.64 | NS | 0.8 ± 0.74 | 0.69 ± 0.64 | NS |
| 0.18 | 0.18 | 0.39 | 0.18 | |||
| 0.18–0.18 | 0.18–1.32 | 0.18–1.42 | 0.18–1.33 | |||
|
| ||||||
| Ba | 2.64 ± 1.58 | 2.35 ± 1.74 | NS | 2.51 ± 1.24 | 2.34 ± 1.35 | NS |
| 2.28 | 1.98 | 2.47 | 1.99 | |||
| 1.66–3.33 | 1.34–2.8 | 1.4–3.49 | 1.33–3.11 | |||
|
| ||||||
| Pb | 1.57 ± 1.7 | 0.86 ± 1.31 | <0.05 | 1.41 ± 1.65 | 0.85 ± 1.1 | NS |
| 0.32 | 0.32 | 0.32 | 0.32 | |||
| 0.32–2.8 | 0.32–0.32 | 0.32–2.12 | 0.32–1.15 | |||
AM: arithmetic mean; SD: standard deviation; Med.: median; QL: lower quartile; QU: upper quartile; M-W: Mann-Whitney U-test; p: level of significance; NS: nonsignificant difference.