Table 2 Correlations between the different methods to detect cardiorespiratory coordination. Median and inter-quartile range of the correlations coefficients between the different methods to detect cardiorespiratory coordination.

Sync λ

1.00

PhRec t _i

0.66 (0.20)

1.00

PhRec φ _i

0.78 (0.18)

0.81 (0.10)

1.00

Hist t _i

0.60 (0.21)

0.75 (0.16)

0.70 (0.18)

1.00

Hist φ _i

0.89 (0.11)

0.72 (0.14)

0.82 (0.09)

0.64 (0.26)

1.00

Hist β _j

0.45 (0.36)

0.35 (0.28)

0.37 (0.30)

0.45 (0.34)

0.49 (0.28)

1.00