Table 1.
Measurements of the histomorphometric parameters commonly used for the study of the 3D bone trabecular microarchitecture with micro-CT on nine fractures of known PTST.
| PTST | Degree of anisotropy |
Connectivity density |
BV/TV | Mean TbTh | Mean TbSp | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| HB | Callus | HB | Callus | HB | Callus | HB | Callus | HB | Callus | ||
| N1 | 8 days | 0.77 | 0.79 | 191.69 | 120.69 | 0.10 | 0.10 | 6.74 | 6.36 | 48.09 | 55.87 |
| N5 | 28 days | 0.85 | 0.43 | 83.50 | 1488.38 | 0.12 | 0.42 | 8.03 | 7.41 | 51.63 | 12.64 |
| N4 | 42 days | 0.79 | 0.32 | 513.06 | 2519.81 | 0.12 | 0.34 | 7.19 | 7.22 | 40.77 | 17.13 |
| N3 | 72 days | 0.74 | 0.30 | 109.38 | 1011.88 | 0.15 | 0.38 | 8.74 | 10.02 | 43.15 | 21.55 |
| N2A | 86 days | 0.80 | 0.39 | 39.31 | 1547.62 | 0.15 | 0.37 | 6.99 | 8.45 | 41.22 | 16.72 |
| N2B | 86 days | 0.83 | 0.54 | 68.81 | 865.44 | 0.16 | 0.50 | 7.25 | 10.96 | 39.24 | 13.60 |
| N2C | 86 days | 0.80 | 0.47 | 41.56 | 1366.12 | 0.14 | 0.47 | 8.37 | 9.52 | 43.99 | 15.63 |
| N2D | 86 days | 0.81 | 0.42 | 26.69 | 1282.31 | 0.15 | 0.41 | 7.00 | 8.65 | 46.28 | 14.00 |
| N6 | 2 years | 0.80 | 0.73 | 109.63 | 169.94 | 0.13 | 0.30 | 6.36 | 11.08 | 29.83 | 29.42 |
PTST post-traumatic survival time, HB healthy bone, BV/TV bone volume fraction, TbTh trabecular thickness, TbSp trabecular separation; REVs 1 and 4 of healthy bone and REVs 2 and 3 of callus area were combined.