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. Author manuscript; available in PMC: 2022 May 11.
Published in final edited form as: IEEE J Biomed Health Inform. 2021 May 11;25(5):1572–1582. doi: 10.1109/JBHI.2020.3032938

Table II.

Experiments with axis-combinations

Correlation (r-value) MedAE (mL)
SCGx 0.22 13.76
SCGy 0.65 12.46
SCGz 0.50 10.86
SCGtotal 0.56 10.49
ECG (HR) 0.31 14.75
SCGx and ECG 0.58 9.64
SCGy and ECG 0.74 8.44
SCGz and ECG 0.67 9.29
SCGtotal and ECG 0.71 9.65
SCGx,y 0.48 10.81
SCGx,z 0.53 11.80
SCGy,z 0.61 10.94
SCGx,y and ECG 0.77 7.93
SCGx,z and ECG 0.74 8.73
SCGy,z and ECG 0.73 8.86
SCGx,y,z 0.64 10.63
SCGx,y,z,total 0.67 9.51
SCGx,y,z and ECG 0.80 7.61
SCGx,y,z,total and ECG 0.81 7.56