Table 6 The overall results of Bland-Altman analysis on inter-beat intervals estimation obtained from ECG signal and FCG signal components across all subjects.

From: A Forcecardiography dataset with simultaneous SCG, Heart Sounds, ECG, and Respiratory signals

Signal

Components

NIBIs

bias (ms)

CIbias(ms)

LoA (ms)

CILoA min(ms)

CILoA max(ms)

FCG

dHF-FCGPVDF

15245

0.00

[0.00; 0.100]

[−5.500; 5.100]

[−5.600; −5.300]

[5.000; 5.300]

dHF-FCGPZT

14979

0.00

[0.00; 0.100]

[−6.000; 5.803]

[−6.200; −5.700]

[5.600; 6.100]

HS-FCGPVDF

11083

0.00

[−0.100; 0.00]

[−4.500; 4.600]

[−4.700; −4.363]

[4.400; 4.800]

HS-FCGPZT

11021

0.10

[0.00; 0.100]

[−5.300; 4.800]

[−5.600; −5.100]

[4.530; 5.130]

  1. Since the inter-beat intervals measurement differences were distributed with a non-normal distribution, the bias was estimated as the median of differences and the limits of agreement as the 2.5th and 97.5th percentiles, respectively.
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