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NSRR
AVNN - CHAT Variables
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Childhood Adenotonsillectomy Trial
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Variables
v0.14.0
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variables
Clinical Data
Diagnostic Studies
Heart Rate Variability
avnn
avnn
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wtpct
end__sec_
Name
avnn
Label
Mean of all normal sinus to normal sinus interbeat intervals (NN)
Units
seconds (s)
Type
numeric
Visit Number vs Mean of all normal sinus to normal sinus interbeat intervals (NN)
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Baseline
45,072
0.7
± 0.1
0.7
0.3
1.1
-
45,072
Follow-up
40,073
0.7
± 0.09
0.7
0.3
1.1
-
40,073