Table 3.

Linear Regression Analyses

Variable	Univariate		Multivariate
	β	P	β	P
Age	−0.003	0.627
Sex	0.007	0.937
Education	−0.026	0.398
Tumor Laterality	−0.126	0.129
IDH status	0.041	0.847
FSI Total	0.067	0.100’	a	a
PSQI Total	−0.009	0.659
HADS Depression	0.054	0.026*	0.054	.026*
FrSBe Apathy	0.009	0.100’	a	a
FrSBe Disinhibition	0.005	0.297
FrSBe Executive Dysfunction	0.009	.086’	a	a

Note: Neurocognitive impairment (ie, Global Deficit Score) was the outcome variable in univariate and multivariate regression analyses.

Abbreviations:IDH = Isocitrate Dehydrogenase;FSI = Fatigue Symptom Inventory; PSQI = the Pittsburgh Sleep Quality Index; HADS = Hospital Anxiety and Depression Scale; FrSBe = Frontal Systems Behavior Scale.

‘P ≤ .1

^*<0.05.

^aWere included in the linear multivariate analysis but removed during backward selection.