nsr2db/nsr054 : NN/RR = 0.981745 AVNN = 0.689141 SDNN = 0.141697 SDANN = 0.135793 SDNNIDX = 0.0517557 rMSSD = 0.0265925 pNN20 = 0.357829 pNN50 = 0.0662998 TOT PWR = 0.0212038 ULF PWR = 0.0183613 VLF PWR = 0.00140656 LF PWR = 0.00106329 HF PWR = 0.000372626 LF/HF = 2.8535