TABLE 2. Comparison Between Groups of the Effects of the Intervention Period on Bone Microstructure and Function.
| EG (n=21) | CG (n=17) | P | |||
|---|---|---|---|---|---|
| Pre-Intervention | Post-intervention | Pre-Intervention | Post-intervention | ||
| Lumbar spine TBS | 1.260 (1.224-1.296) | 1.274(1.227-1.321) | 1.226 (1.180-1.272) | 1.201 (1.153 -1.249) | 0.025 |
| Tt.BMD (mg HA/cm3) | 268.1 (243.9-292.3) | 268.5(243.4-293.7) | 252.6(223.1-282.2) | 249.5(219.3-279.8) | 0.101 |
| Tb.BMD (mg HA/cm3) | 144.2 (126.1 - 162.4) | 143.3 (124.1 - 162.5) | 129.9 (112.1-147.6) | 126.0 (107.8 -144.2) | 0.032 |
| BV/TV(1) | 0.120(0.105-0.135) | 0.120(0.104-0.136) | 0.108(0.093 - 0.123) | 0.105(0.090 - 0.120) | 0.093 |
| Tb.N (mm-1) | 1.684(1.547-1.821) | 1.620(1.464-1.776) | 1.638 (1.473 - 1.803) | 1.653 (1.478-1.828) | 0.294 |
| Tb.Th (mm) | 0.071 (0.065 - 0.077) | 0.073 (0.067 - 0.079) | 0.066(0.059 - 0.073) | 0.063 (0.056 - 0.070) | 0.027 |
| Tb.Sp (mm) | 0.543(0.482-0.604) | 0.577 (0.502 - 0.652) | 0.572 (0.491 - 0.653) | 0.574 (0.482 - 0.666) | 0.237 |
| Ct.BMD (mg HA/cm3) | 847.9(821.8-874.0) | 854.3(826.8-881.9) | 849.5 (822.1 - 876.9) | 850.5 (821.3 - 879.7) | 0.394 |
| Ct.Th (mm) | 1.012(0.910-1.114) | 1.017(0.915-1.119) | 1.016(0.904-1.128) | 1.014(0.897-1.131) | 0.403 |
| Ct.Po (%) | 0.065(0.054-0.076) | 0.064(0.052 - 0.076) | 0.065 (0.051 - 0.079) | 0.062 (0.049 - 0.075) | 0.824 |
| Ct.Po.Dm (mm2) | 0.186(0.175-0.197) | 0.182(0.172-0.192) | 0.190(0.179-0.201) | 0.183(0.172-0.194) | 0.574 |
| S (N/mm) | 176934 (162545-191323) | 180914 (166165-195663) | 173707(160636-186778) | 172874(160261 -185487) | 0.130 |
| F. ult(N) | 8454(7798-9110) | 8617(7947-9287) | 8326(7732 - 8920) | 8281 (7709 - 8853) | 0.980 |
| Tb.VM (N/mm2) | 54.2(50.9-57.4) | 56.1 (52.6-59.5) | 52.1 (49.0-55.2) | 52.0(48.9-55.1) | 0.239 |
| C.VM (N/mm2) | 87.4 (86.8-88.1) | 87.6 (86.9 - 88.3) | 86.7 (85.7 - 87.8) | 87.0 (86.2 - 87.9) | 0.684 |
Values expressed in mean and 95% confidence interval (lower - upper). EG: experimental group.CG: control group. P: Interaction effect in the mixed model P- value. TBS: trabecular bone score. BMD: bone mineral density. BV: bone volume. TV: total volume. Tb: trabecular. Ct and C: cortical. Tt: total. Tb.N: trabecular number. Th: thickness. Tb.Sp: trabecular separation. Po: porosity. Po.Dm: mean pore diameter. S: stiffness. F. ult: estimated ultimate failure load. N: Newton. VM: von Mises yield criterion.