nsrdb/19090 :
NN/RR    = 0.996669
AVNN     = 0.848976
SDNN     = 0.0997136
SDANN    = 0.0837914
SDNNIDX  = 0.051093
rMSSD    = 0.0254046
pNN20    = 0.421669
pNN50    = 0.0462319
TOT PWR  = 0.0107505
ULF PWR  = 0.00803855
VLF PWR  = 0.00157898
LF PWR   = 0.000877922
HF PWR   = 0.000255088
LF/HF    = 3.44164