Table 2 Nine brain regions show differences in nodal eigenvector centrality.

MNI centroid coordinates			Name of Schaefer-400 parcellation	Subnetworks	ANCOVA
x	y	z	Name of Schaefer-400 parcellation	Subnetworks	HC	IBS	UC	P value	F
−48	35	10	L-ContA-PFClv-1	Control	0.033	0.023	0.015	0.00046†	7.964
−42	38	22	L-ContA-PFClv-2	Control	0.036	0.021	0.018	0.00039*†	8.156
39	33	38	R-ContB-PFCld-1	Control	0.041	0.023	0.018	0.00003*†	11.093
34	15	56	R-ContB-PFCld-4	Control	0.048	0.029	0.026	0.00048*†	7.914
27	59	3	R-ContB-PFClv-4	Control	0.039	0.023	0.020	0.00076*†	7.424
−14	−57	1	L-VisPeri-ExStrInf-5	Visual	0.033	0.054	0.067	0.00003*†	10.776
18	−45	−3	R-VisPeri-ExStrInf-5	Visual	0.035	0.052	0.064	0.00034*†	8.283
16	−66	19	R-VisPeri-ExStrSup-1	Visual	0.039	0.052	0.065	0.00091†	7.230
−27	49	−14	L-SalVentAttnB-OFC-1	Salience/ ventral attention	0.012	0.009	0.004	0.00106†	7.073

Table 2 Legend. Nine regions in the control [Cont], visual [Vis], and salience/ventral attention [Sal/VentAttn] network showed significant differences in nodal eigenvector centrality. For the control network, a pattern of HC > IBS > UC was observed, while for the visual network, the observed pattern was HC < IBS < UC. Also, see Fig. 3 for illustration.
*Post-hoc comparisons indicated significant differences between HC and IBS group.
^†Post-hoc comparisons indicated significant differences between HC and UC group.
Abbreviations: PFClv Lateral ventral prefrontal cortex; PFCld Lateral dorsal prefrontal cortex; ExStrInf Inferior peripheral extrastriate; ExStrSup Superior peripheral extrastriate; OFC Orbitofrontal cortex; MNI Montreal Neurological Institute; UC Ulcerative colitis; IBS Irritable bowel syndrome; HC Healthy controls; L Left hemisphere; R Right hemisphere.

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