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NSRR
VLF - SHHS Variables
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Sleep Heart Health Study
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Variables
Old Version
You are viewing variable information that is kept around for historical purposes only. The latest version
v0.20.0
is
available here
.
v0.10.0
shhs
variables
HRV Analysis
vlf
vlf
Overview
Graphs
Histogram
More
History
ulf
accidents
Name
vlf
Label
Very low frequency power: the NN interval spectral power between 0.003 and 0.04 Hz
Units
seconds squared
Type
numeric
SHHS Visit Number vs Very low frequency power: the NN interval spectral power between 0.003 and 0.04 Hz
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 1
42,920
2,450.9
± 19,742.2
963.7
4.6
4,000,000.0
-
42,920
Interim Follow-up Visit
-
-
-
-
-
-
-
-
Visit 2
44,578
2,307.0
± 3,954.2
960.3
2.5
92,624.4
4
44,582
CVD Outcomes
-
-
-
-
-
-
-
-