Table 3.
Pre and post-treatment mean values of BMD (g/cm2) and Z-scores for the study and control groups.
| Character | Study group | Control group | T-Value | P-Value | |
|---|---|---|---|---|---|
| Mean ± SD | Mean ± SD | ||||
| L1-L4 BMD (g/cm2) | Pre | 0.69 ± 0.07 | 0.67 ± 0.08 | 0.56 | 0.57* |
| Post | 0.85 ± 0.04 | 0.72 ± 0.05 | 6.69 | <0.001** | |
| Effect size | Cohen’s d=2.87 | ||||
| L1-L4 Z-score | Pre | -1.65±0.44 | -1.55 ± 0.39 | -0.65 | 0.52* |
| Post | -0.87 ± 0.33 | -1.28 ± 0.37 | 3.2 | 0.003** | |
| Effect size | Cohen’s d=1.17 | ||||
| Proximal Femur BMD (g/cm2) | Pre | 0.53 ± 0.08 | 0.56 ± 0.06 | -1.14 | 0.26* |
| Post | 0.75 ± 0.05 | 0.62 ± 0.04 | 7.23 | <0.001** | |
| Effect size | Cohen’s d=2.87 | ||||
| Proximal Femur Z-score | Pre | -0.83 ± 0.26 | -0.77 ± 0.33 | -0.61 | 0.55* |
| Post | -0.41 ± 0.26 | -0.57 ± 0.29 | 1.6 | 0.12* | |
| Effect size | Cohen’s d=0.58 | ||||
BMD: Bone Mineral Density. Level of significance at P<0.05.
Nonsignificant.
Significant.