Variables

4291 variables.
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Module Label Name Description Type
Heart rate variability (CHRIS baseline) x0ec264 LF power (n.u.) (AR) Power of LF band in normalised units, LF [n.u.] = LF [ms2] / (total power [ms2] - VLF [ms2]) x 100%, with PSD estimated using parametric autoregressive (AR) modeling method, expressed in n.u Float
Heart rate variability (CHRIS baseline) x0ec217 RMSSD RMSSD: Square root of the mean squared differences between successive RR intervals, expressed in milliseconds Float
Heart rate variability (CHRIS baseline) x0ec280 RPA Lmax RPA Lmax: Recurrence Plot Analysis is another approach for analyzing the complexity of the RR series, which consists in creating a symmetrical matrix of zeros and ones. Lmax is maximum line length of the diagonal lines Integer
Heart rate variability (CHRIS baseline) x0ec281 RPA Lmean RPA Lmean: Recurrence Plot Analysis is another approach for analyzing the complexity of the RR series, which consists in creating a symmetrical matrix of zeros and ones. Lmean is the average diagonal line length Float
Heart rate variability (CHRIS baseline) x0ec282 RPA Shannon Entropy RPA Shannon Entropy: it is the entropy of the probability distribution of the diagonal line lengths Float
Heart rate variability (CHRIS baseline) x0ec278 RPA determinism RPA determinism: Recurrence Plot Analysis is another approach for analyzing the complexity of the RR series, which consists in creating a symmetrical matrix of zeros and ones. The determinism (DET) is defined as the percentage of recurrence points which form diagonal lines Float
Heart rate variability (CHRIS baseline) x0ec279 RPA divergence RPA divergence: Recurrence Plot Analysis is another approach for analyzing the complexity of the RR series, which consists in creating a symmetrical matrix of zeros and ones. The divergence (DIV) is defined as the inverse of Lmax Float
Heart rate variability (CHRIS baseline) x0ec277 RPA recurrence rate RPA recurrence rate: Recurrence Plot Analysis is another approach for analyzing the complexity of the RR series, which consists in creating a symmetrical matrix of zeros and ones. The recurrence rate (REC) is defined as the ratio of ones and zeros in this RP matrix Float
Heart rate variability (CHRIS baseline) x0ec249 LF-HF power (Welch) Ratio between LF and HF band powers, with PSD estimated using Fast Fourier transformation (FFT) based Welch's periodogram method Float
Heart rate variability (CHRIS baseline) x0ec266 LF/HF power (AR) Ratio between LF and HF band powers, with PSD estimated using parametric autoregressive (AR) modeling method Float
Heart rate variability (CHRIS baseline) x0ec244 VLF power (%) (Welch) Relative power of VLF band, with PSD estimated using Fast Fourier transformation (FFT) based Welch's periodogram method, expressed in ms^2 Float
Heart rate variability (CHRIS baseline) x0ec261 VLF power (%) (AR) Relative power of VLF band, with PSD estimated using parametric autoregressive (AR) modeling method, expressed in ms^2 Float
Heart rate variability (CHRIS baseline) x0ec246 HF power (%) (Welch) Relative power of HF band, with PSD estimated using Fast Fourier transformation (FFT) based Welch's periodogram method, expressed in ms^2 Float
Heart rate variability (CHRIS baseline) x0ec263 HF power (%) (AR) Relative power of HF band, with PSD estimated using parametric autoregressive (AR) modeling method, expressed in ms^2 Float
Heart rate variability (CHRIS baseline) x0ec245 LF power (%) (Welch) Relative power of LF band, with PSD estimated using Fast Fourier transformation (FFT) based Welch's periodogram method, expressed in ms^2 Float
Heart rate variability (CHRIS baseline) x0ec262 LF power (%) (AR) Relative power of LF band, with PSD estimated using parametric autoregressive (AR) modeling method, expressed in ms^2 Float
Heart rate variability (CHRIS baseline) x0ec220 SDANN SDANN: Standard deviation of the averages of RR intervals in 5-min segments, expressed in milliseconds Float
Heart rate variability (CHRIS baseline) x0ec216 SDNN SDNN: Standard deviation of RR intervals, expressed in milliseconds Float
Heart rate variability (CHRIS baseline) x0ec221 SDNNI SDNNI: Mean of the standard deviations of RR intervals in 5-min segments, expressed in milliseconds Float
Heart rate variability (CHRIS baseline) x0ec226 SI (Stress Index) SI: Baevsky stress index, computed according to the formula given in Baevsky 2009, is a geometric measure of HRV reflecting cardiovascular system stress Float
Heart rate variability (CHRIS baseline) x0ec214 SNS index SNS index Float
Heart rate variability (CHRIS baseline) x0ec273 Sample Entropy Sample Entropy: similar to ApEn, but it presents some differences in the calculation Float
Heart rate variability (CHRIS baseline) x0ec213b PNS param: nRMSSD Second parameter used for PNS index calculation: RMSSD normalized by scaling with the standard deviations of normal population Float
Heart rate variability (CHRIS baseline) x0ec214b SNS param: nSI Second parameter used for SNS index calculation: SI normalized by scaling with the standard deviations of normal population Float
Heart rate variability (CHRIS baseline) x0ec223 std HR Standard deviation of heart rate Float
Heart rate variability (CHRIS baseline) x0ec205a segment start Start point of the data segment which is used for HRV analysis, expressed in seconds Integer
Heart rate variability (CHRIS baseline) x0ec228 TINN TINN: baseline width of the RR histogram evaluated through triangular interpolation Integer
Heart rate variability (CHRIS baseline) x0ec213c PNS param: nSD1 Third parameter used for PNS index calculation: SD1 normalized by scaling with the standard deviations of normal population Float
Heart rate variability (CHRIS baseline) x0ec214c SNS param: nSD2 Third parameter used for SNS index calculation: SD2 normalized by scaling with the standard deviations of normal population Float
Heart rate variability (CHRIS baseline) x0ec207a t_RR start Time point of the first beat in the RR series, expressed in seconds Float
Heart rate variability (CHRIS baseline) x0ec207b t_RR end Time point of the last beat in the RR series, expressed in seconds Float
Heart rate variability (CHRIS baseline) x0ec202 total length of the ECG Total length of the ECG recording, expressed in seconds Float
Heart rate variability (CHRIS baseline) x0ec208 total number of beats Total number of beats Integer
Heart rate variability (CHRIS baseline) x0ec233 VLF peak (Welch) Very Low Frequency (VLF) band peak frequency, with PSD estimated using Fast Fourier transformation (FFT) based Welch's periodogram method, expressed in Hz Float
Heart rate variability (CHRIS baseline) x0ec250 VLF peak (AR) Very Low Frequency (VLF) band peak frequency, with PSD estimated using parametric autoregressive (AR) modeling method, expressed in Hz Float
Heart rate variability (CHRIS baseline) x0ec219 pNN50 pNN50: NN50 divided by the total number of RR intervals Float
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec02 Acceleration Capacity (AC) Acceleration Capacity (AC) Float
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec25 Correlation coefficient of HRTS (KS) Correlation coefficient of HRTS (KS) Float
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec20 DFA alpha1 offset DFA alpha1 offset Float
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec01 Deceleration Capacity (DC) Deceleration Capacity (DC) Float
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec24 HRTS regression coefficient / coefficient of determination HRTS regression coefficient / coefficient of determination Float
Heart rate variability, cardiologist curated (CHRIS baseline) x0ecbatch HRV batch HRV batch Categorical
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec21 Heart Rate Turbulence Onset (HRTO) Heart Rate Turbulence Onset (HRTO) Float
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec23 Heart Rate Turbulence Slope (HRTS) Heart Rate Turbulence Slope (HRTS) Float
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec13 High Frequency (HF) power High Frequency (HF) power Float
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec77 Indication of atrial fibrillation Indication of atrial fibrillation Categorical
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec04 Integral of the density distribution (HRVI) Integral of the density distribution (HRVI) Float
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec15 LF/HF Ratio LF/HF Ratio Float
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec11 Low Frequency (LF) power Low Frequency (LF) power Float
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec22 Ventricular premature beats No. of Ventricular Premature beats Integer
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec26 All beats No. of all beats Integer
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec40 Artifacts No. of artefacts Integer
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec57 Bigeminy No. of bigeminy Integer
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec56 Couplets No. of couplets Integer
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec38 Escaped beats No. of escaped beats Integer
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec55 Idioventricular rhythm (IVR) No. of idioventricular rhythm (IVR) Integer
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec37 Interpolated VES No. of interpolated VES Integer
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec31 Normal beats with similar behavior as VES No. of normal beats with similar behavior as VES Integer
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec29 Normal timing beats No. of normal timing beats Integer
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec39 Pacemaker beats No. of pacemaker beats Integer
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec32 Pauses (RRI > 2,5 sec) No. of pauses (RRI > 2.5 sec) Integer
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec35 Single premature ventricular beats No. of single premature ventricular beats Integer
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec36 Single premature ventricular beats with compensatory pause No. of single premature ventricular beats with compensatory pause Integer
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec34 Single ventricular beats No. of single ventricular beats Integer
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec28 Sinus beats No. of sinus beats Integer
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec30 Supraventricular extrasystoles (SVES) No. of supraventricular extrasystoles (SVES) Integer
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec46 Supraventricular runs No. of supraventricular runs Integer
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec52 Supraventricular runs and tachycardias No. of supraventricular runs and tachycardias Integer
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec49 Supraventricular tachycardia (SVT) beats No. of supraventricular tachycardia (SVT) beats Integer
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec58 Trigeminy No. of trigeminy Integer
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec27 Unknown beats No. of unknown beats Integer
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec33 Ventricular beats No. of ventricular beats Integer
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec59 Ventricular runs No. of ventricular runs Integer
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec65 Ventricular runs and tachycardias No. of ventricular runs and tachycardias Integer
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec62 Ventricular tachycadias (VT) No. of ventricular tachycardias (VT) Integer
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec07 Percentage of interval differences of successive NN intervals greater than 50 ms (pNN50) Percentage of interval differences of successive NN intervals greater than 50 ms (pNN50) Float
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec16 Power-law relationship of Heart Rate Variability Power-law relationship of Heart Rate Variability Float
Heart rate variability, cardiologist curated (CHRIS baseline) x0re01 Respiratory Sinus Arrhythmia (RSA) (filtered) Respiratory Sinus Arrhythmia (RSA) (filtered) Float
Heart rate variability, cardiologist curated (CHRIS baseline) x0re02 Respiratory Sinus Arrhythmia (RSA) (open) Respiratory Sinus Arrhythmia (RSA) (open) Float
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec19 Short term scaling exponent of detrended fluctuation analysis (DFA alpha1) Short term scaling exponent of detrended fluctuation analysis (DFA alpha1) Float
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec06 Square Root of the Mean Squared Differences of successive NN intervals (RMSSD) Square Root of the Mean Squared Differences of successive NN intervals (RMSSD) Float
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec03 Standard Deviation of normal-to-normal intervals (SDNN) Standard Deviation of normal-to-normal intervals (SDNN) Float
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec05 Standard Deviation of the average NN intervals in each 5 min segment of the record (SDANN) Standard Deviation of the average NN intervals in each 5 min segment of the record (SDANN) Float
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec18 Standard deviation (diagonally or longitudinal of the angle bisector) in Poincaré plot Standard deviation (diagonally or longitudinal of the angle bisector) in Poincaré plot Float
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec17 Standard deviation (longitudinal or diagonally of the angle bisector) in Poincaré plot Standard deviation (longitudinal or diagonally of the angle bisector) in Poincaré plot Float
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec08 Total Power (TP) Total Power (TP) Float
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec09 Ultra Low Frequency (ULF) power Ultra Low Frequency (ULF) power Float
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec10 Very Low Frequency (VLF) power Very Low Frequency (VLF) power Float
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec42 Maximum Heart Rate maximum HR Float
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec43 Mean Heart Rate mean HR Float
Heart rate variability, cardiologist curated (CHRIS baseline) x0ec41 Minimum Heart Rate minimum HR Float
Hypomania (CHRIS baseline) x0hc01 How are you feeling today compared to your usual state? First of all, how are you feeling today compared to your usual state Categorical
Hypomania (CHRIS baseline) x0hc03 1. I need less sleep HCL-32 #1 I need less sleep Categorical
Hypomania (CHRIS baseline) x0hc12 10. I am physically more active (sports. etc.) HCL-32 #10 I am physically more active (sports. etc.) Categorical
Hypomania (CHRIS baseline) x0hc13 11. I plan more activities or projects HCL-32 #11 I plan more activities or projects Categorical
Hypomania (CHRIS baseline) x0hc14 12. I have more ideas. I am more creative HCL-32 #12 I have more ideas. I am more creative Categorical
Hypomania (CHRIS baseline) x0hc15 13. I am less shy or inhibited HCL-32 #13 I am less shy or inhibited Categorical
Hypomania (CHRIS baseline) x0hc16 14. I wear more colorful and more extravagant clothes/make-up HCL-32 #14 I wear more colorful and more extravagant clothes/make-up Categorical
Hypomania (CHRIS baseline) x0hc17 15. I want to meet or actually do meet more people HCL-32 #15 I want to meet or actually do meet more people Categorical
Hypomania (CHRIS baseline) x0hc18 16. I am more interested in sex, and/or have increased sexual desire HCL-32 #16 I am more interested in sex, and/or have increased sexual desire Categorical
4291 variables.