An analysis was conducted of the subjects who were referred to their physician for consideration of treatment with an alternative osteoporosis medicinal product if one of the following was observed: a) ≥ 7% BMD loss at LS or ≥ 10% BMD loss at femoral neck at Month 12; b) ≥ 11% BMD loss at lumbar spine (LS) or ≥ 14% BMD loss at femoral neck at Month 24; c) ≥ 2 on-study radiographic vertebral fractures by Month 24.