Table 3.

Changes in topological properties in patients with MDD after taVNS treatment.

	Pre	Post	t	p
Eglob	0.269 ± 0.004	0.274 ± 0.004	−4.537	<0.001
Lp	0.790 ± 0.025	0.760 ± 0.015	6.353	<0.001
DC of left AG	18.43 ± 5.72	25.34 ± 3.71	−7.003	<0.001
Ne of left AG	0.274 ± 0.022	0.291 ± 0.025	−2.123	0.048

Abbreviations: MDD, major depressive disorder; taVNS, transcutaneous vagus nerve stimulation; Eglob, global efficiency; Lp, characteristic path length; DC, degree centrality; AG, angular gyrus; Ne, nodal efficiency.