Substantial (25-43%) decreases in bonemineraldensities occur in the leg bones within a year and may exceed 50% loss by 10 years.
大幅度(25 - 43 %)下降骨密度发生在腿骨在一年之内，并有可能超过50 %，损失了10年。
2
The bonemineraldensities (BMD) of the 1-4 lumbar spines, neck of femur, tuberosity and greater trochanter were determined by dual energy X-ray absorptiometry (DEXA) in 92 postmenopausal women.