For the PPG spectral analysis of the present experiment data (Figure 2b ), the HFnu power was not significant, while the LFnu power, and LF/HF ratio showed a statistical trend.
1
—
—
For the PPG spectral analysis of the present experiment data (Figure 2b ), the HFnu power was not significant, while the LFnu power, and LF/HF ratio showed a statistical trend.