| Characteristics of patients on admission | Global size | Fracture statut | |
| Yes | No | ||
| Sample size | 861 | 439 | 422 |
| Mean age at menopause (year) | 48.6 ± 4 | 48.6 ± 4 | 48.6 ± 4 |
| Age of menopausal ≥ 50 years | 423 (49.1%) | 197 (44.8%) | 226 (53.5%) |
| Mean age at menarche (years) | 12.8 ± 1 | 12.8 ± 1 | 12.8 ± 1 |
| Mean duration of genital activity (years) | 37 ± 3 | 36.8 ± 3 | 37.2 ± 3 |
| Duration of genital activity ≥ 40 years | 207 (24%) | 91 (20.7%) | 116 (27.5%) |
| Mean parity | 1.9 ± 1 | 2.1 ± 1 | 1.8 ± 1 |
| Parity ≥ 2 children | 280 (32.6%) | 152 (34.6%) | 128 (30.3%) |
| Mean duration of breastfeeding (months) | 3.6 ± 6 | 4.2 ± 6 | 3.1 ± 5 |
| Hormone replacement therapy | 408 (47.3%) | 210 (47.8%) | 198 (46.9%) |