Table 1. Structural parameters.
| Parameters | Unit | Description |
|---|---|---|
| BV | mm3 | TV of trabeculae within the VOI |
| BV/TV | % | Proportion of the VOI occupied by trabeculae |
| BS | mm2 | Surface of trabeculae |
| BS/BV | mm-1 | Ratio of trabecular surface to volume |
| Basis of estimates of thickness | ||
| BS/TV | mm-1 | Ratio of trabecular surface area to total volume |
| Tb.Th | mm | Average of the local thickness |
| Tb.Sp | mm | Thickness of the spaces |
| Tb.N | mm-1 | Density of the trabeculae within the VOI |
BV, bone volume; TV, total volume; VOI, volume of interest; BV/TV, bone volume density; BS, bone surface; BS/BV, bone-specific surface; BS/TV, bone surface density; Tb.Th, trabecular thickness; Tb.Sp, trabecular separation; Tb.N, trabecular number.