Variables

4291 variables.
Clear
Module Label Name Description Type
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) 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) 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) 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) 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
Targeted serum metabolomics (CHRIS baseline) x0pt030 Spermine Spermine Float
Targeted serum metabolomics (CHRIS baseline) x0pt029 Spermidine Spermidine Float
Urine measurements (CHRIS baseline) x0lp61a Specific weight, urine Specific weight, urine Float
Iron metabolism (CHRIS baseline) x0he08b Soluble transferrin receptor concentration, low stringency filter Soluble transferrin receptor concentration with application of a low stringency filter Float
Iron metabolism (CHRIS baseline) x0he08a Soluble transferrin receptor concentration, high stringency filter Soluble transferrin receptor concentration with application of a high stringency filter Float
ECG 10s (CHRIS baseline) x0ec142 Sokolow-Index Sokolow-Index index for left ventricular hypertrophy, calculated as the sum of the amplitudes of the S wave in V1 and the R wave in V5 or V6 (whichever is larger), expressed in milliVolts [https://doi.org/10.1016/0002-8703(49)90562-1] Float
Smoking (CHRIS baseline) x0sm44 Smoking: Pipe tobacco (past) On average of the entire time you smoked, before you stopped or cut down, how much did you smoke? Pipe tobacco in grams/week (in the past) Float
Smoking (CHRIS baseline) x0sm35 Smoking: Cigarettes (current) How much do you now smoke on average? No. of Cigarettes/day (current) 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
Targeted serum metabolomics (CHRIS baseline) x0pt028 Serotonin Serotonin Float
Targeted serum metabolomics (CHRIS baseline) x0pt027 Ser Serine Float
Baseline information (CHRIS COVID-19) ccbq25 Self-reported weight What is your weight? Float
Targeted serum metabolomics (CHRIS baseline) x0pt025 Sarcosine Sarcosine Float
Heart rate variability (CHRIS baseline) x0ec273 Sample Entropy Sample Entropy: similar to ApEn, but it presents some differences in the calculation Float
ECG 10s (CHRIS baseline) x0ec129d ST Value, aVR ST segment deviation from the isoelectric line, defined as the difference between the voltage value at the beginning of T wave and the end of S wave (J point) expressed in milliVolts, measured in lead aVR Float
ECG 10s (CHRIS baseline) x0ec129e ST Value, aVL ST segment deviation from the isoelectric line, defined as the difference between the voltage value at the beginning of T wave and the end of S wave (J point) expressed in milliVolts, measured in lead aVL Float
ECG 10s (CHRIS baseline) x0ec129f ST Value, aVF ST segment deviation from the isoelectric line, defined as the difference between the voltage value at the beginning of T wave and the end of S wave (J point) expressed in milliVolts, measured in lead aVF Float
ECG 10s (CHRIS baseline) x0ec129l ST Value, V6 ST segment deviation from the isoelectric line, defined as the difference between the voltage value at the beginning of T wave and the end of S wave (J point) expressed in milliVolts, measured in lead V6 Float
ECG 10s (CHRIS baseline) x0ec129k ST Value, V5 ST segment deviation from the isoelectric line, defined as the difference between the voltage value at the beginning of T wave and the end of S wave (J point) expressed in milliVolts, measured in lead V5 Float
ECG 10s (CHRIS baseline) x0ec129j ST Value, V4 ST segment deviation from the isoelectric line, defined as the difference between the voltage value at the beginning of T wave and the end of S wave (J point) expressed in milliVolts, measured in lead V4 Float
ECG 10s (CHRIS baseline) x0ec129i ST Value, V3 ST segment deviation from the isoelectric line, defined as the difference between the voltage value at the beginning of T wave and the end of S wave (J point) expressed in milliVolts, measured in lead V3 Float
ECG 10s (CHRIS baseline) x0ec129h ST Value, V2 ST segment deviation from the isoelectric line, defined as the difference between the voltage value at the beginning of T wave and the end of S wave (J point) expressed in milliVolts, measured in lead V2 Float
ECG 10s (CHRIS baseline) x0ec129g ST Value, V1 ST segment deviation from the isoelectric line, defined as the difference between the voltage value at the beginning of T wave and the end of S wave (J point) expressed in milliVolts, measured in lead V1 Float
ECG 10s (CHRIS baseline) x0ec129c ST Value, III ST segment deviation from the isoelectric line, defined as the difference between the voltage value at the beginning of T wave and the end of S wave (J point) expressed in milliVolts, measured in lead III Float
ECG 10s (CHRIS baseline) x0ec129b ST Value, II ST segment deviation from the isoelectric line, defined as the difference between the voltage value at the beginning of T wave and the end of S wave (J point) expressed in milliVolts, measured in lead II Float
ECG 10s (CHRIS baseline) x0ec129a ST Value, I ST segment deviation from the isoelectric line, defined as the difference between the voltage value at the beginning of T wave and the end of S wave (J point) expressed in milliVolts, measured in lead I 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) 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) x0ec214a SNS param: nMeanHR First parameter used for SNS index calculation: MeanHR normalized by scaling with the standard deviations of normal population Float
Heart rate variability (CHRIS baseline) x0ec214 SNS index SNS index Float
Targeted serum metabolomics (CHRIS baseline) x0pt175 SM C26:1 Sphingomyeline C26:1 Float
Targeted serum metabolomics (CHRIS baseline) x0pt174 SM C26:0 Sphingomyeline C26:0 Float
Targeted serum metabolomics (CHRIS baseline) x0pt173 SM C24:1 Sphingomyeline C24:1 Float
Targeted serum metabolomics (CHRIS baseline) x0pt172 SM C24:0 Sphingomyeline C24:0 Float
Targeted serum metabolomics (CHRIS baseline) x0pt171 SM C20:2 Sphingomyeline C20:2 Float
Targeted serum metabolomics (CHRIS baseline) x0pt170 SM C18:1 Sphingomyeline C18:1 Float
Targeted serum metabolomics (CHRIS baseline) x0pt169 SM C18:0 Sphingomyeline C18:0 Float
Targeted serum metabolomics (CHRIS baseline) x0pt168 SM C16:1 Sphingomyeline C16:1 Float
Targeted serum metabolomics (CHRIS baseline) x0pt167 SM C16:0 Sphingomyeline C16:0 Float
Targeted serum metabolomics (CHRIS baseline) x0pt166 SM (OH) C24:1 Hydroxysphingomyeline C24:1 Float
Targeted serum metabolomics (CHRIS baseline) x0pt165 SM (OH) C22:2 Hydroxysphingomyeline C22:2 Float
Targeted serum metabolomics (CHRIS baseline) x0pt164 SM (OH) C22:1 Hydroxysphingomyeline C22:1 Float
Targeted serum metabolomics (CHRIS baseline) x0pt163 SM (OH) C16:1 Hydroxysphingomyeline C16:1 Float
Targeted serum metabolomics (CHRIS baseline) x0pt162 SM (OH) C14:1 Hydroxysphingomyeline C14:1 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) x0ec221 SDNNI SDNNI: Mean of the standard deviations 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
Targeted serum metabolomics (CHRIS baseline) x0pt026 SDMA Symmetric dimethylarginine 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
ECG 10s (CHRIS baseline) x0ec126d S-Amplitude, aVR Voltage amplitude of the peak of S wave, expressed in milliVolts, measured in lead aVR Float
ECG 10s (CHRIS baseline) x0ec126e S-Amplitude, aVL Voltage amplitude of the peak of S wave, expressed in milliVolts, measured in lead aVL Float
ECG 10s (CHRIS baseline) x0ec126f S-Amplitude, aVF Voltage amplitude of the peak of S wave, expressed in milliVolts, measured in lead aVF Float
ECG 10s (CHRIS baseline) x0ec126l S-Amplitude, V6 Voltage amplitude of the peak of S wave, expressed in milliVolts, measured in lead V6 Float
ECG 10s (CHRIS baseline) x0ec126k S-Amplitude, V5 Voltage amplitude of the peak of S wave, expressed in milliVolts, measured in lead V5 Float
ECG 10s (CHRIS baseline) x0ec126j S-Amplitude, V4 Voltage amplitude of the peak of S wave, expressed in milliVolts, measured in lead V4 Float
ECG 10s (CHRIS baseline) x0ec126i S-Amplitude, V3 Voltage amplitude of the peak of S wave, expressed in milliVolts, measured in lead V3 Float
ECG 10s (CHRIS baseline) x0ec126h S-Amplitude, V2 Voltage amplitude of the peak of S wave, expressed in milliVolts, measured in lead V2 Float
ECG 10s (CHRIS baseline) x0ec126g S-Amplitude, V1 Voltage amplitude of the peak of S wave, expressed in milliVolts, measured in lead V1 Float
ECG 10s (CHRIS baseline) x0ec126c S-Amplitude, III Voltage amplitude of the peak of S wave, expressed in milliVolts, measured in lead III Float
ECG 10s (CHRIS baseline) x0ec126b S-Amplitude, II Voltage amplitude of the peak of S wave, expressed in milliVolts, measured in lead II Float
ECG 10s (CHRIS baseline) x0ec126a S-Amplitude, I Voltage amplitude of the peak of S wave, expressed in milliVolts, measured in lead I Float
ECG 10s (CHRIS baseline) x0ec128d S'-Amplitude, aVR Voltage amplitude of the peak of S wave in the first derivative of ECG, expressed in milliVolts, measured in lead aVR Float
ECG 10s (CHRIS baseline) x0ec128e S'-Amplitude, aVL Voltage amplitude of the peak of S wave in the first derivative of ECG, expressed in milliVolts, measured in lead aVL Float
ECG 10s (CHRIS baseline) x0ec128f S'-Amplitude, aVF Voltage amplitude of the peak of S wave in the first derivative of ECG, expressed in milliVolts, measured in lead aVF Float
ECG 10s (CHRIS baseline) x0ec128l S'-Amplitude, V6 Voltage amplitude of the peak of S wave in the first derivative of ECG, expressed in milliVolts, measured in lead V6 Float
ECG 10s (CHRIS baseline) x0ec128k S'-Amplitude, V5 Voltage amplitude of the peak of S wave in the first derivative of ECG, expressed in milliVolts, measured in lead V5 Float
ECG 10s (CHRIS baseline) x0ec128j S'-Amplitude, V4 Voltage amplitude of the peak of S wave in the first derivative of ECG, expressed in milliVolts, measured in lead V4 Float
ECG 10s (CHRIS baseline) x0ec128i S'-Amplitude, V3 Voltage amplitude of the peak of S wave in the first derivative of ECG, expressed in milliVolts, measured in lead V3 Float
ECG 10s (CHRIS baseline) x0ec128h S'-Amplitude, V2 Voltage amplitude of the peak of S wave in the first derivative of ECG, expressed in milliVolts, measured in lead V2 Float
ECG 10s (CHRIS baseline) x0ec128g S'-Amplitude, V1 Voltage amplitude of the peak of S wave in the first derivative of ECG, expressed in milliVolts, measured in lead V1 Float
ECG 10s (CHRIS baseline) x0ec128c S'-Amplitude, III Voltage amplitude of the peak of S wave in the first derivative of ECG, expressed in milliVolts, measured in lead III Float
ECG 10s (CHRIS baseline) x0ec128b S'-Amplitude, II Voltage amplitude of the peak of S wave in the first derivative of ECG, expressed in milliVolts, measured in lead II Float
ECG 10s (CHRIS baseline) x0ec128a S'-Amplitude, I Voltage amplitude of the peak of S wave in the first derivative of ECG, expressed in milliVolts, measured in lead I 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) x0re01 Respiratory Sinus Arrhythmia (RSA) (filtered) Respiratory Sinus Arrhythmia (RSA) (filtered) Float
General information (CHRIS COVID-19) cc_rsw Relative sampling weight Expansion sampling weight Float
Blood measurements (CHRIS baseline) x0lp46 Red Blood Cell Distribution Width (RDW) Red Blood Cell Distribution Width (RDW) Float
Blood measurements (CHRIS baseline) x0lp40 Red Blood Cell Count (RBC) Red Blood Cell Count (RBC) 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) 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) 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) 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) 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) x0ec217 RMSSD RMSSD: Square root of the mean squared differences between successive RR intervals, expressed in milliseconds Float
Restless Legs Syndrome (CHRIS baseline) x0rd08 RLS duration (years) RLS-D duration Float
ECG 10s (CHRIS baseline) x0ec121d R-Amplitude, aVR Voltage amplitude of the peak of R wave, expressed in milliVolts, measured in lead aVR Float
ECG 10s (CHRIS baseline) x0ec121e R-Amplitude, aVL Voltage amplitude of the peak of R wave, expressed in milliVolts, measured in lead aVL Float
ECG 10s (CHRIS baseline) x0ec121f R-Amplitude, aVF Voltage amplitude of the peak of R wave, expressed in milliVolts, measured in lead aVF Float
ECG 10s (CHRIS baseline) x0ec121l R-Amplitude, V6 Voltage amplitude of the peak of R wave, expressed in milliVolts, measured in lead V6 Float
ECG 10s (CHRIS baseline) x0ec121k R-Amplitude, V5 Voltage amplitude of the peak of R wave, expressed in milliVolts, measured in lead V5 Float
ECG 10s (CHRIS baseline) x0ec121j R-Amplitude, V4 Voltage amplitude of the peak of R wave, expressed in milliVolts, measured in lead V4 Float
ECG 10s (CHRIS baseline) x0ec121i R-Amplitude, V3 Voltage amplitude of the peak of R wave, expressed in milliVolts, measured in lead V3 Float
ECG 10s (CHRIS baseline) x0ec121h R-Amplitude, V2 Voltage amplitude of the peak of R wave, expressed in milliVolts, measured in lead V2 Float
ECG 10s (CHRIS baseline) x0ec121g R-Amplitude, V1 Voltage amplitude of the peak of R wave, expressed in milliVolts, measured in lead V1 Float
ECG 10s (CHRIS baseline) x0ec121c R-Amplitude, III Voltage amplitude of the peak of R wave, expressed in milliVolts, measured in lead III Float
4291 variables.