ihr lf_hf
Name
lf
Label
Low frequency power: the normal sinus to normal sinus interbeat (NN) interval spectral power between 0.04 and 0.15 Hz
Units
milliseconds squared
Type
numeric
Tags
heart rate variability ms2
Sleep Heart Health Study (SHHS) Visit Number vs Low frequency power: the normal sinus to normal sinus interbeat (NN) interval spectral power between 0.04 and 0.15 Hz
N Mean StdDev Median Min Max Unknown Total
Visit 1 486 1,189.3 ± 1,329.7 773.4 44.6 12,667.6 - 486
Interim Follow-up Visit - - - - - - - -
Visit 2 493 1,098.0 ± 1,449.4 718.1 7.8 22,251.3 - 493
CVD Outcomes - - - - - - - -