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NSRR
NN_RR - SHHS Variables
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Variables
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You are viewing variable information that is kept around for historical purposes only. The latest version
v0.20.0
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v0.10.1
shhs
variables
HRV Analysis
nn_rr
nn_rr
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lf_n
pnn10
Name
nn_rr
Label
Ratio of consecutive normal sinus beats (NN) over all cardiac inter-beat (RR) intervals
Type
numeric
SHHS Visit Number vs Ratio of consecutive normal sinus beats (NN) over all cardiac inter-beat (RR) intervals
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 1
42,920
1.0
± 0.03
1.0
0.3
1.0
-
42,920
Interim Follow-up Visit
-
-
-
-
-
-
-
-
Visit 2
44,578
1.0
± 0.06
1.0
0.5
1.0
4
44,582
CVD Outcomes
-
-
-
-
-
-
-
-