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目的 了解成都地区骨峰值 ( PBM)的基本情况 ,为骨质疏松 ( OP)的防治提供依据。方法 随机抽取成都地区 2 0～ 4 9岁人群除外心肝肺肾、内分泌等慢性病及骨代谢疾病者 368名 ,进行了腰椎 ( L2 -4 )正位和髋部的双能 X线骨密度 ( BMD)的测量。结果 2 0～ 4 9岁人群的 BMD相对稳定 ,男性腰椎骨峰值见于 2 0～ 2 9岁 ,值为1.0 75± 0 .114( g/ cm2 ) ;女性见于 30～ 39岁 ,值为 1.10 6± 0 .113( g/ cm2 ) ;髋部 ( Neck,Ward’s,Troch) PBM均见于2 0～ 2 9岁。各年龄组的 BMD男女无差异 ( P>0 .0 5) ,而 L2 -4 BMC(骨矿含量 )及椎体面积 ( AREA)男性均大于女性 ,且存在显著性差异 ( P<0 .0 1) ,BMD城乡无显著差异。成都地区的 PBM略低于北方地区。结论 成都地区男性PBM为 1.0 75± 0 .114( g/ cm2 ) ,女性 PBM为 1.10 6± 0 .113( g/ cm2 ) ;临床表现与 BMD不符时 ,分析 BMD的同时应参照 BMC及 AREA,才能降低骨质疏松的漏诊率和误诊率
Objective To understand the basic situation of bone mineral peak (PBM) in Chengdu and provide evidence for the prevention and treatment of osteoporosis (OP). Methods 368 patients with chronic diseases of heart, liver, lung, kidney, endocrine and other diseases of bone metabolism were randomly selected from 20 to 49 years old population in Chengdu. BMD of lumbar spine (L2 -4) )Measurement. Results The BMD was relatively stable in 20 ~ 49-year-old population. The peak value of lumbar vertebrae in males was 1.0 75 ± 0.114 (g / cm2) between 20 and 29 years old, and the female was 30 to 39 years old with a value of 1.10 6 ± 0.113 (g / cm2). Neck, Ward’s, and Troch PBM were found in 20 ~ 29 years old. There were no significant differences in BMD between men and women in all age groups (P> 0.05), while those in L2 -4 BMC (bone mineral content) and vertebral body area (AREA) were significantly higher than those in female 1), BMD no significant difference between urban and rural areas. PBM in Chengdu is slightly lower than in the north. Conclusions The prevalence of PBM in Chengdu was 1.0 75 ± 0.114 (g / cm2) in Chengdu and 1.10 6 ± 0.113 (g / cm2) in female. The clinical manifestations of BMD were not consistent with those of BMD. To reduce the rate of misdiagnosis and missed diagnosis of osteoporosis