Figure 7.
Bland–Altman plots comparing ECG and PPG HRV measurements from 24-h acquisitions in 10 healthy subjects: (a) NN/RR ratio; (b) AVNN; (c) SDNN; (d) rMSSD; (e) pNN50; (f) LF power; (g) HF power; (h) LF/HF ratio; (i) SD1; (j) SD2.
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