TABLE 3.

Results of phase randomization surrogate analyses for cardiorespiratory couplings between patients suffering from paranoid schizophrenia (SZO), healthy first-degree relatives (REL), and healthy control subjects (CON).

	Index	CON vs. SZO	CON vs. REL	SZO vs. REL	CON			REL			SZO
					Median	[25–75]		Median	[25–75]		Median	[25–75]
Couplings	NF	***	n.s	***	−2.0	−2.0	−1.8	−1.8	−1.9	−1.5	−0.9	−1.5	−0.2
	ABBI → RESP	***	*	n.s	0.03	0.02	0.04	0.05	0.04	0.06	0.06	0.04	0.07
	ARESP → BBI	***	n.s	***	0.34	0.24	0.40	0.26	0.21	0.33	0.14	0.09	0.21
	MuTEBBI → RESP	**	n.s	n.s	0.002	0.000	0.008	0.005	0.002	0.012	0.008	0.003	0.016
	MuTERESP → BBI	n.s	n.s	n.s	0.004	0.002	0.006	0.006	0.003	0.008	0.007	0.004	0.011

BB, beat-to-beat intervals; RESP, time intervals between consecutive breathing cycles; A, area from NSTPDC for identifying the coupling strength; MuTE, multivariate Transfer Entropy; p, univariate significance level: *<0.05, **<0.01, ***<0.004; n.s., not significant.