Main Outcome Measure: The relationship between serum 25ohd, serum PTH, and serum osteocalcin and 24-h urine N-telopeptides was evaluated.

主要观察指标：对血清25ohd、血清甲状旁腺激素、血清骨钙素和24小时尿n -末端肽的关系进行了评价。