The analysis of bone mineral density results in 4434 healthy people in Qingdao

Objective To understand the role of bone mineral density(BMD) alteration in partial healthy people in Qingdao,and to provide scientific evidence for the diagnosis,prevention,and treatment of osteoporosis.Methods BMD of the lumbar vertebra 2-4(L2-4) and the proximal femur in 20-79 years old healthy people in Qingdao was measured using a dual energy X-ray absorptiometry.They were divided into 12 groups according to every 5-year of age.Bone loss and prevalence were calculated using SPSS 13.0 software.The difference among the groups was compared.Results The peak bone mass appeared in 25-29 years old group both in the male and female residence of Qingdao.BMD decreased along with aging.BMD decreased and bone loss increased obviously in females after 45 years old and in males after 65 years old.Conclusion BMD should be detected in people after 40s.The most sensitive monitor location is Ward's region of the proximal femur.The prevention of osteoporosis should be focused on women,especially on postmenopausal women and elderly men over 60s.