Table 1 List of features used in this study with their definitions and references of their extraction.
Feature | Definition | Reference |
|---|---|---|
F1 | ||
μRR[ms] | First-moment statistic of the Inverse Gaussian distribution in point process framework (Mean of RR series) | |
\({\sigma }_{RR}^{2}\)[ms2] | Second-moment statistic of the Inverse Gaussian distribution in point process framework (Variance of RR series) | |
RMSSD | Root Mean Square of the Successive Differences (RMSSD) | |
PNN50 | Normalized mean number of times an hour in which the change in successive normal sinus (NN) intervals exceeds 50 ms | |
LFpp[ms2] | Integration of linear power spectrum estimate of RR series in the low frequency band (0.04–0.15 Hz) | |
HFpp[ms2] | Integration of linear power spectrum estimate of RR series in the high frequency band (0.14–0.45 Hz) | |
LFpp/HFpp | Ratio of LF and HF spectral powers | |
F2 | ||
LLpp[ms2] | Double integration of the bispectrum of RR series in low and low frequency bands | |
LHpp[ms2] | Double integration of the bispectrum of RR series in low and high frequency bands | |
HHpp[ms2] | Double integration of the bispectrum of RR series in high and high frequency bands | |
F3 | ||
EDASymp | Integration of time-frequency plane of EDA signal within the 0.045–0.25 Hz band | |
SHF | Ratio between EDASymp and HF | This paper |
F4 | ||
EDA.nSCR | The number of significant (above threshold) phasic driver peaks | |
EDA.SumAmpSCR | The sum of SCR amplitudes with respect to significant peaks | |
EDA.PhasicMax | The maximum value of phasic activity | |
EDA.Tonic | Mean tonic activity computation | |
F5 | ||
SLL | Ratio between EDASymp and LL | This paper |
SLH | Ratio between EDASymp and LH | This paper |
SHH | Ratio between EDASymp and HH | This paper |
\({{\boldsymbol{F}}}_{{{\bf{6}}}_{{\bf{1}}}}\) | ||
LLph | Median value of phasic decomposition of LL | This paper |
LHph | Median value of phasic decomposition of LH | This paper |
HHph | Median value of phasic decomposition of HH | This paper |
\({{S}_{LL}}_{ph}\) | Median value of phasic decomposition of the ratio between EDASymp and LL | This paper |
\({{S}_{LH}}_{ph}\) | Median value of phasic decomposition of the ratio between EDASymp and LH | This paper |
\({{S}_{HH}}_{ph}\) | Median value of phasic decomposition of the ratio between EDASymp and HH | This paper |
\({{\boldsymbol{F}}}_{{6}_{2}}\) | ||
LLph(AUC) | Area under the curve of phasic decomposition of LL | This paper |
LHph(AUC) | Area under the curve of phasic decomposition of LH | This paper |
HHph(AUC) | Area under the curve of phasic decomposition of HH | This paper |
\({{S}_{LL}}_{ph}(AUC)\) | Area under the curve of phasic decomposition of the ratio between EDASymp and LL | This paper |
\({{S}_{LH}}_{ph}(AUC)\) | Area under the curve of phasic decomposition of the ratio between EDASymp and LH | This paper |
\({{S}_{HH}}_{ph}(AUC)\) | Area under the curve of phasic decomposition of the ratio between EDASymp and HH | This paper |
