| Quantitative variables | Mean ± SD |
| Age (years) | 63.1 ± 9.4 |
| Menarche age (years) | 12.9 ± 1.4 |
| Menopause age (years) | 47.8 ± 5.0 |
| Menopause extention (years) | 15.3 ± 10.4 |
| 25(OH)D (ng/ml) | 22.4 ± 8.6 |
| PTH (pg/ml) | 49.7 ± 20.3 |
| Serum calcium (mg/dl) | 9.3 ± 0.5 |
| Ionic calcium (mg/dl) | 4.1 ± 0.6 |
| Serum phophorus (mg/dl) | 4.5 ± 0.6 |
| Alcaline phophatase. (UI/l) | 187.6 ± 54.3 |
| Urinary calcium (g/24hs) | 162.1 ± 92.4 |
| Hip BMD (g/cm2) | 0.820 ± 0.112 |
| Cobb angle (degree) | 48.31 ± 14.68 |
| SWA (degree) | 31.28 ± 12.66 |
| MWA (degree) | 3.45 ± 1.45 |
| BMI (kg/m2) | 28.3 ± 5.1 |
| Cualitative variables | Frequency (%) |
| Calcium intake < 1200 mg/day | 42 (56.8) |
| Physical activity < 2000 Kcal/day | 31 (45.9) |
| Sun exposure > 15 min/day | 26 (35.1) |
| In mobilization > 1 month | 13 (17) |
| Past history of fracture | 15 (20.3) |