Age at diagnosis, years (mean ± SD) | 58.2±7.3 | 62±7.9 | 0.042* |
Age of menarche, years (mean ± SD) | 12.5±1.2 | 12.5±1.1 | 0.980 |
Age of menopause, years (mean ± SD) | 48±4.2 | 48.9±4.1 | 0.394 |
Age >65 years | 13 (33%) | 9 (30%) | 0.284 |
Body mass index (mean ± SD) | 25.8±6 | 27.6±4.3 | 0.184 |
Osteopenia/osteoporosis before AI | 35 (89%) | 26 (86%) | 0.692 |
Smoking | 5 (13%) | 2 (6%) | 0.401 |
Previous fracture | 2 (5%) | 2 (7%) | 0.786 |
Family history of fracture | 2 (5%) | 2 (7%) | 0.786 |
Calcium + Vitamin D Supplements | 26 (67%) | 14 (47%) | 0.095 |
Radiotherapy | 27 (69%) | 23 (77%) | 0.493 |
Prior tamoxifen | 5 (13%) | 3 (10%) | 0.717 |
Bisphosphonates | 2 (5%) | 1 (3%) | 0,717 |