Detection of biochemical parameter and Ca2+: blood was obtained for biochemical parameter (PTH, ALP, HbA,c, Cr, FBS, ALB, TCa) and Ca2* after an overnight fast.

• )、空腹血糖(FBS)、血肌配(Cr)、碱性磷酸酶(ALP)、白蛋白(ALB)、总钙(TCa)和血清离子钙(Caz+)。