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作者对267例继发于种种疾病的骨矿质疾病儿童进行了一项两期研究。1期对连续117例儿童桡骨单能光子吸收测量法(SPA)与双能X线吸收测量法(DXA)结果进行对照(女63例,男54例,年龄2.6～17.8岁,平均年龄10.1岁,中位年龄10.0岁);2期对224例儿童桡骨、腰椎DXA结果及第二掌骨骨皮质厚度进行对照(女117例,男107例,年龄2.3～17.9
The authors conducted a two-phase study of 267 children with bone mineral disease secondary to various diseases. One phase of 117 consecutive children with radial single-energy photon absorption measurement (SPA) and dual-energy X-ray absorptiometry (DXA) results were compared (63 females, 54 males, aged 2.6 to 17.8 years, mean age 10.1 years , Median age 10.0 years); 2 cases of 224 cases of children with radial and lumbar DXA results and the second metacarpal cortical thickness of the control (117 female, male 107 cases, age 2.3 ~ 17.9