TABLE 5
Percent Regional Distribution of Trabecular Spongiosa by Skeletal Site in Bones Known to Contain Active Marrow in Adult
Percentage distribution of TSSV by skeletal site  (mean ± SD in %) | ||||
|---|---|---|---|---|
| Skeletal site | From Brindle et al. (14) (n = 20) | Present study (combined) (n = 40) | Present study (males) (n = 20) | Present study (females) (n = 20) |
| Cranium | 9.3 (± 1.55) | 9.0 (± 2.95) | 7.0 (± 1.72) | 11.0 (± 2.56) |
| Mandible | 1.0 (± 0.15) | 1.0 (± 0.36) | 0.9 (± 0.29) | 1.2 (± 0.36) |
| Scapulae | 3.9 (± 0.38) | 4.0 (± 0.78) | 4.6 (± 0.53) | 3.4 (± 0.50) |
| Clavicles | 1.5 (± 0.14) | 1.5 (± 0.28) | 1.6 (± 0.28) | 1.4 (± 0.25) |
| Sternum | 2.1 (± 0.25) | 2.1 (± 0.44) | 2.2 (± 0.55) | 2.0 (± 0.25) |
| Ribs | 9.3 (± 0.77) | 9.6 (± 1.76) | 10.5 (± 1.50) | 8.8 (± 1.65) |
| Cervical vertebrae | 2.5 (± 0.15) | 2.5 (± 0.35) | 2.5 (± 0.38) | 2.5 (± 0.34) |
| Thoracic vertebrae | 11.9 (± 0.52) | 11.8 (± 1.15) | 12.0 (± 1.25) | 11.5 (± 1.01) |
| Lumbar vertebrae | 10.1 (± 0.64) | 10.1 (± 1.20) | 10.1 (± 1.19) | 10.0 (± 1.24) |
| Sacrum | 7.5 (± 0.53) | 7.4 (± 1.02) | 6.8 (± 0.76) | 8.1 (± 0.88) |
| Ossa coxae | 22.5 (± 1.04) | 22.9 (± 2.07) | 22.9 (± 1.78) | 22.9 (± 2.37) |
| Femora (proximal) | 12.8 (± 0.50) | 12.6 (± 1.10) | 13.0 (± 0.91) | 12.2 (± 1.14) |
| Humeri (proximal) | 5.5 (± 0.24) | 5.5 (± 0.630) | 5.9 (± 0.51) | 5.1 (± 0.50) |
| L2–L4 | 6.16 (± 0.46) | 6.12 (± 0.80) | 6.08 (± 0.65) | 6.16 (± 0.51) |