Table 3.
Histomorphometric parameters of bone turnover, mineralization, and volume in patients grouped according to conventional nomenclaturea
| ABD | Mild to Moderate HPT | Severe HPT | Normal Values | |
|---|---|---|---|---|
| Parameters of bone turnover (T) | ||||
| Activation frequency (yr−1) | 0.27 ± 0.11b | 0.89 ± 0.32c | 1.67 ± 0.20d | 0.49 to 0.72 |
| Bone formation rate/bone surface (mm3/cm2 per yr) | 1.66 ± 0.66b | 4.53 ± 1.94c | 8.67 ± 2.30d | 1.80 to 3.80 |
| Parameters of bone mineralization (M) | ||||
| Osteoid thickness (μm) | 8.56 ± 0.65b | 12.5 ± 3.54c | 14.2 ± 4.02c | <20 |
| Mineralization lag time (days) | 47.5 ± 24.6b | 56.0 ± 40.0b | 30.4 ± 11.7b | <50 |
| Parameter of bone volume (V) | ||||
| Cancellous bone volume/tissue volume (%) | 20.3 ± 6.50b | 26.9 ± 7.12b | 24.5 ± 11.3b | 16.8 to 22.9 |
a
Results are expressed as mean ± SD. Results with the same letter are not statistically different; one-way ANOVA with Bonferroni post hoc test.