The changes in serum parathyroid hormone(iPTH)and phosphorus,urea nitrogen(BUN),creatinine(SCr),hemoglobin(Hb)were compared among the three groups before and after the treatment.

• 比较三组治疗前后患者血甲状旁腺素(iPTH)及血磷的变化,以及尿素氮(BUN)、血肌酐(Scr)、血红蛋白(Hb)的变化。