4.Results ERS group had greater mean R _ R(P<0.01),SDNN(P<0.05),SDANN(P<0.05),RMSSD(P<0.01),PNN 50(P<0.01) and J _ T max(P<0.05),J _ T d(P<0.05),J _ T cd(P<0.01)than control group.
10.There were significant differences among the 3 groups for 20~50Hz, 50~80Hz A spectra area ratio (AAR) and 20~50Hz P spectra area ratio (PAR) using the interval of starting point of 60ms after the QRS onset(A60) ( P<0.001).