## 2 Results
### DWT-Based Analysis of the HRV Signals
\begin{table}
\begin{tabular}{c c c c c c c c c c} \hline \hline \multicolumn{1}{c}{\multirow{3}{*}{**Mother Wavelet**}} & \multicolumn{3}{c}{**Model Details**} & \multicolumn{3}{c}{**Level 2**} & \multicolumn{3}{c}{**Level 3**} & \multicolumn{3}{c}{**Level 4**} & \multicolumn{3}{c}{**Level 5**} & \multicolumn{3}{c}{**Level 6**} & \multicolumn{3}{c}{**Level 7**} & \multicolumn{3}{c}{**Level 8**} \\ \hline \multirow{2}{*}{**dbl02**} & Parameter selection method & Uncertainty & Relief & Uncertainty & SOM & SVM & IG & SVM \\  & M. Model & CGF & CGF & CGF & RF & GLM & NB & SVM \\  & Accuracy & 62.00 \(\pm\) 9.4\% & 64.50 \(\pm\) 6.8\% & 65.00 \(\pm\) 11.30\% & 64.50 \(\pm\) 6.8\% & 61.50 \(\pm\) 11.11\% & 64.50 \(\pm\) 9.2\% & 66.00 \(\pm\) 12.65\% \\ \hline \multirow{2}{*}{**dbl04**} & Parameter selection method & CSS & Kernel PCA & CSS & CSS & CSS & CSS & CSS \\  & M. Model & CGF & RF & CGF & CGF & CGF & CGF & CGF \\  & Accuracy & 62.00 \(\pm\) 9.4\% & 64.50 \(\pm\) 6.8\% & 65.00 \(\pm\) 11.30\% & 64.50 \(\pm\) 6.8\% & 61.50 \(\pm\) 11.07\% & 64.50 \(\pm\) 9.2\% & 66.00 \(\pm\) 12.65\% \\ \hline \multirow{2}{*}{**dbl06**} & Parameter selection method & TI & CI & CSS & CSS & CSS & Kernel PCA & CSS \\  & M. Model & CGF & CGF & CGF & CGF & RF & CGF \\  & Accuracy & 65.00 \(\pm\) 13.01\% & 67.00 \(\pm\) 8.8\% & 67.00 \(\pm\) 6.32\% & 66.50 \(\pm\) 5.3\% & 68.00 \(\pm\) 8.51\% & 67.00 \(\pm\) 12.95\% & 65.00 \(\pm\) 8.32\% \\ \hline \multirow{2}{*}{**dbl06**} & Parameter selection method & CI & Rule & CSS & Rule & CI & Uncertainty & CI \\  & M. Model & CGF & CGF & N/B & CGF & CGF & CGF & CGF \\  & Accuracy & 77.00 \(\pm\) 8.4\% & 65.50 \(\pm\) 6.84\% & 67.00 \(\pm\) 10.59\% & 69.50 \(\pm\) 14.03\% & 68.00 \(\pm\) 9.19\% & 67.50 \(\pm\) 11.84\% & 73.00 \(\pm\) 5.87\% \\ \hline \multicolumn{1}{c}{\multirow{3}{*}{**AUC of the best ML models generated from DWT-based processing of HRV signals at different decomposition levels**}} & \multicolumn{3}{c}{**Decomposition Level**} & \multicolumn{3}{c}{**Decomposition Level**} \\ \cline{3-10}  & & **Level 2** & **Level 3** & **Level 4** & **Level 5** & **Level 6** & **Level 7** & **Level 8** \\ \hline \multirow{3}{*}{**dbl02**} & Parameter selection method & Uncertainty & Relief & Uncertainty & SOM & SVM & IG & SVM \\  & M. Model & CGF & CGF & CGF & RF & GLM & NB & SVM \\  & AUC & 0.68 \(\pm\) 0.141 & 0.661 \(\pm\) 0.119 & 0.687 \(\pm\) 0.141 & 0.684 \(\pm\) 0.104 & 0.681 \(\pm\) 0.128 & 0.665 \(\pm\) 0.048 & 0.685 \(\pm\) 0.044 & 0.685 \(\pm\) 0.044 \\ \hline \multirow{3}{*}{**dbl04**} & Parameter selection method & CSS & Kernel PCA & CSS & CSS & CSS & CSS & CSS \\  & M. Model & CGF & RF & CGF & CGF & CGF & CGF & CGF \\  & AUC & 0.647 \(\pm\) 0.149 & 0.681 \(\pm\) 0.097 & 0.651 \(\pm\) 0.135 & 0.691 \(\pm\) 0.066 & 0.682 \(\pm\) 0.095 & 0.708 \(\pm\) 0.125 & 0.799 \(\pm\) 0.119 \\ \hline \multirow{3}{*}{**dbl06**} & Parameter selection method & TI & CI & CSS & CSS & CSS & Kernel PCA & CSS \\  & M. Model & CGF & CGF & CGF & CGF & CGF & CGF \\  & AUC & 0.692 \(\pm\) 0.135 & 0.705 \(\pm\) 0.092 & 0.712 \(\pm\) 0.091 & 0.701 \(\pm\) 0.106 & 0.742 \(\pm\) 0.097 & 0.698 \(\pm\) 0.126 & 0.674 \(\pm\) 0.107 \\ \hline \multirow{3}{*}{**dbl08**} & Parameter selection method & CI & Rule & CSS & Box & CGF & Uncapillary & CI \\  & M. Model & CGF & CGF & X/B & CGF & CGF & CGF & CGF \\  & AUC & 0.726 \(\pm\) 0.098 & 0.685 \(\pm\) 0.141 & 0.687 \(\pm\) 0.135 & 0.726 \(\pm\) 0.140 & 0.723 \(\pm\) 0.096 & 0.710 \(\pm\) 0.115 & 0.797 \(\pm\) 0.102 \\ \hline