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Table 5 HRV indices derived from ECG lead I and SCG signal presented as mean and standard deviation (SD) on recordings m001–m020

From: Comparison of HRV indices obtained from ECG and SCG signals from CEBS database

HRV index ECG SCG (reference algorithm) SCG (tested algorithm)
Mean SD Mean SD Mean SD
Mean NN [ms] 868.4482 107.7381 868.4494 107.7377 874.4701 108.1814
SDNN [ms] 66.7848 27.6628 69.4776 27.2620 146.1656 259.5451
RMSSD [ms] 54.2829 33.0621 63.9567 31.9611 177.9677 335.4112
NN50 699.5000 375.9997 1051.6500 480.1267 1223.8000 689.7342
pNN50 0.2068 0.1085 0.3098 0.1433 0.3621 0.2137
\({{\text{PSD}}}_{{\text{LF}}}\) [\(\text {ms}^{2}\)] 564,775.7879 150,123.2398 564,774.1763 150,124.8666 560,361.6889 153,743.7541
\({{\text{PSD}}}_{{\text{VLF}}}\) [\(\text {ms}^{2}\)] 2730.3091 1914.1473 3076.3276 150,124.8666 7566.0048 8040.7530
\({{\text{PSD}}}_{{\text{HF}}}\) [\(\text {ms}^{2}\)] 565,323.1825 150,225.7814 565,321.7553 150,228.3664 561,047.5560 153,853.2790
LF/HF 0.9990 0.0005 0.9990 0.0005 0.9987 0.0008