Table 3.
HR-pQCT bone structure characteristics at the distal radius and tibia in the study participants.
| Variable (units) | Distal radius | Distal tibia | ||
|---|---|---|---|---|
| Men (n = 128) | Women (n = 61) | Men (n = 128) | Women (n = 61) | |
| HR-pQCT | ||||
| Total area (mm2) | 381.2 ± 67.0 | 252.7 ± 62.1 | 896.7 ± 137.5 | 678.6 ± 123.8 |
| Total vBMD (mg HA/cm3) | 313.6 ± 59.5 | 294.6 ± 64.4 | 308.6 ± 54.6 | 281.2 ± 56.0 |
| Tb.vBMD (mg HA/cm3) | 178.9 ± 34.9 | 140.8 ± 41.0 | 187.5 ± 35.2 | 160.1 ± 37.5 |
| BV/TV (fraction) | 0.254 ± 0.051 | 0.207 ± 0.064 | 0.276 ± 0.049 | 0.240 ± 0.051 |
| Tb.N (1/mm) | 1.539 ± 0.201 | 1.373 ± 0.306 | 1.475 ± 0.279 | 1.375 ± 0.279 |
| Tb.Sp (mm) | 0.621 ± 0.125 | 0.856 ± 0.802 | 0.666 ± 0.116 | 0.741 ± 0.232 |
| Tb.Th (mm) | 0.242 ± 0.019 | 0.226 ± 0.022 | 0.264 ± 0.026 | 0.249 ± 0.018 |
| Ct.vBMD (mg HA/cm3) | 857.3 ± 48.1 | 839.6 ± 68.3 | 838.8 ± 60.8 | 817.3 ± 54.4 |
| Ct.Pm (mm) | 85.0 ± 8.5 | 67.2 ± 8.9 | 118.2 ± 9.5 | 101.7 ± 9.2 |
| Ct.Th (mm) | 1.106 ± 0.237 | 0.992 ± 0.216 | 1.704 ± 0.377 | 1.455 ± 0.303 |
| CtPo | 0.014 ± 0.008 | 0.012 ± 0.007 | 0.236 ± 0.031 | 0.234 ± 0.028 |
Values are means ± SD. All parameters were significantly different between men and women except for CtPo (all p < 0.05).
HR-pQCT, high-resolution computed tomography; vBMD, volumetric bone mineral density; TbvBMD, trabecular vBMD; BV/TV, bone volume/total volume; Tb.N, trabecular number; Tb.Sp, trabecular separation; CT.vBMD, cortical volumetric bone mineral density; Ct.Pm, cortical perimeter; Ct.Th, cortical thickness; CtPo, cortical porosity.