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Table 7 HRV indices derived from ECG lead I and SCG signal presented as mean and standard deviation (SD) on all analyzed recordings

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