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Instantaneous heart rate
ihr
under Heart Rate Variability (HRV) Analysis in
CHAT variables
Instantaneous heart rate
ihr
under Clinical Data/Diagnostic Studies/Heart Rate Variability in
SHHS variables
Total normal sinus to normal sinus interbeat (NN) interval spectral power up to 0.4 Hz
tot_pwr
under Heart Rate Variability (HRV) Analysis in
CHAT variables
The ratio of low to high frequency power
lf_hf
under Heart Rate Variability (HRV) Analysis in
CHAT variables
5 minute window start time
start__sec_
under Heart Rate Variability (HRV) Analysis in
CHAT variables
Mean of all normal sinus to normal sinus interbeat intervals (NN)
avnn
under Heart Rate Variability (HRV) Analysis in
CHAT variables
1 or more respiratory events in 5 minute window
hasrespevent
under Heart Rate Variability (HRV) Analysis in
CHAT variables
Standard deviation of all normal sinus to normal sinus interbeat (NN) intervals
sdnn
under Heart Rate Variability (HRV) Analysis in
CHAT variables
Mean of the standard deviations of normal sinus to normal sinus interbeat (NN) intervals in all 5-minute segments
sdnnidx
under Heart Rate Variability (HRV) Analysis in
CHAT variables
Sleep stage of second 30 second epoch in 5 minute window
sleepstage02
under Heart Rate Variability (HRV) Analysis in
CHAT variables
Sleep stage of third 30 second epoch in 5 minute window
sleepstage03
under Heart Rate Variability (HRV) Analysis in
CHAT variables
Sleep stage of sixth 30 second epoch in 5 minute window
sleepstage06
under Heart Rate Variability (HRV) Analysis in
CHAT variables
Sleep stage of seventh 30 second epoch in 5 minute window
sleepstage07
under Heart Rate Variability (HRV) Analysis in
CHAT variables
Sleep stage of ninth 30 second epoch in 5 minute window
sleepstage09
under Heart Rate Variability (HRV) Analysis in
CHAT variables
Sleep stage of tenth 30 second epoch in 5 minute window
sleepstage10
under Heart Rate Variability (HRV) Analysis in
CHAT variables
Square root of the mean of the squares of difference between adjacent normal sinus to normal sinus interbeat (NN) intervals
rmssd
under Heart Rate Variability (HRV) Analysis in
CHAT variables
Standard deviation of the averages of normal sinus to normal sinus interbeat (NN) intervals in all 5-minute segments
sdann
under Heart Rate Variability (HRV) Analysis in
CHAT variables
Sleep stage of first 30 second epoch in 5 minute window
sleepstage01
under Heart Rate Variability (HRV) Analysis in
CHAT variables
Sleep stage of fourth 30 second epoch in 5 minute window
sleepstage04
under Heart Rate Variability (HRV) Analysis in
CHAT variables
Sleep stage of fifth 30 second epoch in 5 minute window
sleepstage05
under Heart Rate Variability (HRV) Analysis in
CHAT variables
Sleep stage of eighth 30 second epoch in 5 minute window
sleepstage08
under Heart Rate Variability (HRV) Analysis in
CHAT variables
5 minute window end time
end__sec_
under Heart Rate Variability (HRV) Analysis in
CHAT variables
Respiratory event (01) start time
event01start
under Heart Rate Variability (HRV) Analysis in
CHAT variables
Respiratory event (02) start time
event02start
under Heart Rate Variability (HRV) Analysis in
CHAT variables
Respiratory event (03) start time
event03start
under Heart Rate Variability (HRV) Analysis in
CHAT variables
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