RRI (RR interval),SD(standard deviation of all normal RR intervals),SDAIDX (standard deviation of the average normal RR intervals for 5 minute segments) in the NRF group were markedly lower than those in the HS group.

• 肾功正常肾病组平均 RR间距期 (RR I)、2 4h窦性 R- R间期标准差 (SD)、5 min窦性 R- R间期标准差 (SDAIDX)显著低于正常组 (P<0 .；0 5 ) ;