- The patient has a bone mineral density T-score ≤ 2.5 at the lumbar spine or hip (femoral neck) by dual energy x-ray absorptiometry (DXA). Women with a bone mineral density T-score of 2.0 or lower and a prior low-trauma forearm, humerus, vertebral, sacral, pelvic, hip, femoral, or tibial fracture within the past 5 years, or who have an additional risk factor such as age 65 or greater or a strong maternal history of osteoporosis defined as a fracture related to osteoporosis or osteoporosis itself as determined by BMD criteria, are also study candidates.