Table 6 HRV indices derived from ECG lead I and SCG signal presented as mean and standard deviation (SD) on recordings p001–p020
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] | 881.2197 | 102.3434 | 881.2311 | 102.3560 | 879.9381 | 100.3830 |
SDNN [ms] | 55.6498 | 17.7449 | 58.9799 | 16.5574 | 84.3181 | 34.9819 |
RMSSD [ms] | 48.4851 | 21.1828 | 58.4208 | 21.0497 | 103.2012 | 69.7998 |
NN50 | 168.1500 | 23.8311 | 167.8500 | 22.4365 | 132.8000 | 81.0884 |
pNN50 | 0.4899 | 0.0414 | 0.4892 | 0.0347 | 0.3911 | 0.2336 |
\({{\text{PSD}}}_{{\text{LF}}}\) [\(\text {ms}^{2}\)] | 616,967.1499 | 156,145.0747 | 616,968.3450 | 156,144.2675 | 616,229.7384 | 153,878.4562 |
\({{\text{PSD}}}_{{\text{VLF}}}\) [\(\text {ms}^{2}\)] | 2974.3376 | 2298.2310 | 3300.7693 | 2145.1549 | 7458.9407 | 7783.3257 |
\({{\text{PSD}}}_{{\text{HF}}}\) [\(\text {ms}^{2}\)] | 617,450.7037 | 156,152.3237 | 617,453.1540 | 156,148.1566 | 616,747.0991 | 153,885.5876 |
LF/HF | 0.9992 | 0.0006 | 0.9992 | 0.0006 | 0.9991 | 0.0006 |