nsr2db/nsr051 : NN/RR = 0.979927 AVNN = 0.804544 SDNN = 0.18449 SDANN = 0.173997 SDNNIDX = 0.0748312 rMSSD = 0.0429296 pNN20 = 0.543055 pNN50 = 0.200411 TOT PWR = 0.0356325 ULF PWR = 0.0293989 VLF PWR = 0.00381139 LF PWR = 0.0015966 HF PWR = 0.000825632 LF/HF = 1.93379