Table 1.

Linear regression model for the MRI+EEG cohort (n=54). DRS, Delirium Severity Rating Scale-98; TMTB, Trail Making Test B.

Regression variable	Mean thickness effect on peak DRS
	Estimate	t-Value	P-value
Mean thickness	5.268	1.590	0.119
Delirium status	78.493	2.485	0.017∗
Postoperative delta power	3.784	3.803	<0.001∗
Age	0.094	0.996	0.324
Sex	–1.008	–1.085	0.283
TMTB	0.019	1.724	0.091
Mean thickness:delirium status	–26.782	–2.276	0.028∗

∗Denotes statistical significance at p<0.05.