Table 3. Linear regression analysis predicting clinical variables of patients with multiple sclerosis.

Variables	Predictor	R2	p*	β	t
EDSS	SDMT	0.343	0.000	−0.586	−4.21
FSS	SDMT	0.109	0.031	−0.330	−2.23
BDI-II	SDMT	0.124	0.018	−0.352	−2.46

^*Significant predictors.

BDI-II: Beck's Depression Inventory II, EDSS: Expanded Disability Status Scale, FSS: Fatigue Severity Scale, SDMT: Symbol Digit Modalities Test.