ulf ang_date
Name
vlf
Label
Very low frequency power: the normal sinus to normal sinus interbeat (NN) interval spectral power between 0.003 and 0.04 Hz
Units
milliseconds squared
Type
numeric
Tags
heart rate variability ms2
Sleep Heart Health Study (SHHS) Visit Number vs Very low frequency power: the normal sinus to normal sinus interbeat (NN) interval spectral power between 0.003 and 0.04 Hz
N Mean StdDev Median Min Max Unknown Total
Visit 1 486 2,095.2 ± 1,733.9 1,543.9 135.5 13,133.4 - 486
Interim Follow-up Visit - - - - - - - -
Visit 2 493 2,077.9 ± 1,860.0 1,582.2 43.3 16,863.6 - 493
CVD Outcomes - - - - - - - -