nsrdb/19140 :
NN/RR    = 0.990088
AVNN     = 0.742848
SDNN     = 0.0991949
SDANN    = 0.0819797
SDNNIDX  = 0.0549867
rMSSD    = 0.0339335
pNN20    = 0.478372
pNN50    = 0.117175
TOT PWR  = 0.0104224
ULF PWR  = 0.00763429
VLF PWR  = 0.00146509
LF PWR   = 0.000757588
HF PWR   = 0.000565483
LF/HF    = 1.33972