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] | 876.7638 | 102.4935 | 876.7719 | 102.5018 | 874.4701 | 108.1814 |
SDNN [ms] | 59.2544 | 21.9539 | 62.4400 | 21.0417 | 146.1656 | 259.5451 |
RMSSD [ms] | 50.4195 | 25.4661 | 62.4400 | 24.7629 | 177.9677 | 335.4112 |
NN50 | 688.3000 | 754.5296 | 686.0833 | 750.9212 | 1223.800 | 689.7342 |
pNN50 | 0.4919 | 0.0366 | 0.4924 | 0.0353 | 0.3621 | 0.2137 |
\({{\text{PSD}}}_{{\text{LF}}}\) [\(\text {ms}^{2}\)] | 599,324.2486 | 153,454.5209 | 607,119.5110 | 161,038.1290 | 560,361.6889 | 153,743.7541 |
\({{\text{PSD}}}_{{\text{VLF}}}\) [\(\text {ms}^{2}\)] | 2889.1574 | 2146.9039 | 3226.3185 | 2003.5468 | 7566.0048 | 8040.7530 |
\({{\text{PSD}}}_{{\text{HF}}}\) [\(\text {ms}^{2}\)] | 599,829.4059 | 153,486.9967 | 607,626.5532 | 161,052.9574 | 561,047.5560 | 153,853.2790 |
LF/HF | 0.9991 | 0.0006 | 0.9991 | 0.0006 | 0.9987 | 0.0008 |