Measurements related to statistical methods in time domain Heart Rate Variability analysis
11 variables.
-
mean RR
Mean value of RR intervals, expressed in milliseconds
x0ec215SDNN
SDNN: Standard deviation of RR intervals, expressed in milliseconds
x0ec216RMSSD
RMSSD: Square root of the mean squared differences between successive RR intervals, expressed in milliseconds
x0ec217NN50
NN50: Number of successive RR interval pairs that differ more than 50 ms
x0ec218pNN50
pNN50: NN50 divided by the total number of RR intervals
x0ec219SDANN
SDANN: Standard deviation of the averages of RR intervals in 5-min segments, expressed in milliseconds
x0ec220SDNNI
SDNNI: Mean of the standard deviations of RR intervals in 5-min segments, expressed in milliseconds
x0ec221mean HR
Mean heart rate, expressed in beats per minute
x0ec222std HR
Standard deviation of heart rate
x0ec223min HR
Minimum HR computed using N=5 beat moving average
x0ec224max HR
Maximum HR computed using N=5 beat moving average
x0ec225