lf lf_n
Name
lf_hf
Label
The ratio of low to high frequency power
Type
numeric
Tags
heart rate variability
Sleep Heart Health Study (SHHS) Visit Number vs The ratio of low to high frequency power
N Mean StdDev Median Min Max Unknown Total
Visit 1 486 2.4 ± 1.6 2.1 0.2 13.0 - 486
Interim Follow-up Visit - - - - - - - -
Visit 2 493 2.4 ± 1.7 2.0 0.2 10.7 - 493
CVD Outcomes - - - - - - - -