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NSRR
TOT_PWR - 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
.
v0.17.0
shhs
variables
Clinical Data
Diagnostic Studies
Heart Rate Variability
tot_pwr
tot_pwr
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History
start__sec_
ulf
Name
tot_pwr
Label
Total normal sinus to normal sinus interbeat (NN) interval spectral power up to 0.4 Hz
Units
milliseconds squared
Type
numeric
Tags
heart rate variability
ms2
Sleep Heart Health Study (SHHS) Visit Number vs Total normal sinus to normal sinus interbeat (NN) interval spectral power up to 0.4 Hz
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 1
42,920
4,261.0
± 6,088.5
2,139.7
16.3
126,018.0
-
42,920
Interim Follow-up Visit
-
-
-
-
-
-
-
-
Visit 2
44,578
4,096.0
± 6,246.3
2,021.7
6.0
110,728.0
-
44,578
CVD Outcomes
-
-
-
-
-
-
-
-