Bone mineral density (BMD) of lumbar vertebra and upper femur, serum osteocaicin (s BGP) and urinary oxyproline hydroxyproline/creatinine ratio (Hyp/Cr) were determined at the beginning and ending of the study.

• 研究开始和结束时检测受试者腰椎和股骨上端骨密度 ,以及血清骨钙素 (s BGP)和尿羟脯氨酸与肌酐比值 (Hyp/Cr)。