Table 3.

Inter-quality spatial correlations between each reference signal’s CVR map from an insufficient P_ETCO₂ quality dataset and the corresponding CVR map from a sufficient P_ETCO₂ dataset.

Inter-quality spatial correlations
Subject	Insufficient Session	Sufficient Session	CVR amplitude						CVR delay
			PETCO2		RVT		GM-BOLD		PETCO2		RVT		GM-BOLD
			β	Z	β	Z	β	Z	β	Z	β	Z	β	Z
sub-	ses-07	ses-02	1.30	1.73	1.18	1.83	1.00	1.88	0.43	0.54	0.67	0.94	0.60	0.90
006	ses-08	ses-02	0.98	1.22	1.04	1.55	1.01	1.70	0.44	0.46	0.62	1.07	0.77	1.23
sub-	ses-08	ses-02	0.06	0.26	1.02	1.64	1.01	1.76	−0.82	0.56	0.79	1.29	1.09	1.42
009	ses-09	ses-02	0.55	1.42	0.85	1.70	0.98	1.75	0.51	0.78	0.79	1.02	0.54	0.95
sub-	ses-07	ses-02	0.98	0.74	1.05	1.44	0.93	1.66	0.29	0.71	0.75	1.49	0.79	1.20
010	ses-08	ses-02	1.15	1.30	1.12	1.38	1.19	1.67	0.63	1.17	0.68	1.25	0.81	1.59
		Average	0.84	1.11	1.04	1.59*	1.02	1.74*	0.25	0.70	0.72	1.18*	0.77	1.21*
		StDev	0.46	0.53	0.11	0.17	0.09	0.08	0.53	0.26	0.07	0.21	0.19	0.26

β = coefficient of slope for best-fit line to correlation. Z = Fisher’s Z transformation of correlation coefficient.

^*Indicates Fisher’s Z is significantly different from 0 at alpha = 0.05 (critical Z = 1.13 for N = 6).