Bone mineral density (BMD) of anterior-posterior lumbar spines and fasting serum bone gla protein (BGP), serum alkaline phosphatase (ALP) and urinary pyridinoline (PYD) were tested in 410 patients.

• 方法测定410例中老年患者腰椎正位骨密度，同时检测所有患者空腹血清骨钙素、血清碱性磷酸酶及晨尿吡啶啉，尿吡啶啉用肌酐校正。