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 |