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- W2351110757 abstract "Objective To analyze the alteration of peak bone mass and bone mineral density(BMD) in healthy local people by measuring BMDs of 19609 cases in Miyun area,and to investigate the prevalence of osteoporosis(OP) for early prevention,early diagnosis,and early treatment.Methods BMD of distal 1/3 of the radius and the ulna at unloading status was measured using the duel energy X-ray absorptiometry(DTX-22,Osteometer Medid Tech Co.,USA).Data of 19609 cases were divided into different sex and age groups in which people of every 10-year of age were in one group.The data were statistically analyzed using SPSS 13.0 software.The mean values of BMD,rate of bone loss,and the prevalence of OP were analyzed.Results The peak bone mass occurred on 30-39 years old both in men and in women in the area.The values were 0.626 ± 0.078 g/cm2 in men,and 0.507 ± 0.063 g/cm2 in women,respectively.The peak bone mass in women was significantly lower than that in men,tested with independent t test(P 0.05).BMD decreased both in men and women after 40 years of age.The significant decrease occurred after 70-year in men and after 60-year in women.The decrease was earlier and faster in women than in men,which might be associated with low peak bone mass and estrogen level in women.In all age groups,BMDs of distal 1/3 of the radius were higher than that of the ulna and that of ROI.This trend reflected that BMD of the distal radius represented the BMD in the total area of distal forearm.The prevalence of OP in women were 0.29% in 20-29 years old group,0.09% in 30-39 years old group,0.15% in 40-49 years old group,6.24% in 50-59 years old group,23.15% in 60-69 years old group,19.55% in 70-79 years old group,and 29.17% in 80-89 years old group,respectively.The prevalence of OP in men were 1.7% in 20-29 years old group.0.84% in 30-39 years old group,1.67% in 40-49 years old group,4.46% in 50-59 years old group,12.77% in 60-69 years old group,18.03% in 70-79 years old group,and 24.39% in 80-89 years old group,respectively.Conclusion The peak bone mass occurred on 30-39 years of age both in men and in women in Miyun area.The values were 0.626 ± 0.078 g/cm2 and 0.507 ± 0.063 g/cm2,respectively.There were significant differences in BMD among different sex and age groups.The prevalence of OP correlated positively with aging.The prevalence of OP increased from 50-59 years of age,and was higher in women than that in men." @default.
- W2351110757 created "2016-06-24" @default.
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- W2351110757 date "2011-01-01" @default.
- W2351110757 modified "2023-09-23" @default.
- W2351110757 title "Investigation of bone mineral density in the distal forearm and analysis of prevalence of osteoporosis in 19609 healthy people in Miyun county of Beijing" @default.
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