Table 4.

Correlation between Neuropsychological Symptoms and Cognitive Tests in Patients with PSS^†

	Prof-M	CES-D	FSS	HVLT-R	DST	Trails B	Stroop	COWAT	Similarities
Prof-M	------	0.782	0.583	−0.337	−0.314	−0.286	−0.180	−0.140	−0.154
p-value		<0.001	<0.001	0.048	0.059	0.086	0.294	0.415	0.370
CES-D	0.782	-------	0.609	−0.304	−0.301	−0.284	−0.217	−0.025	−0.192
p-value	<0.001		<0.001	0.075	0.066	0.084	0.197	0.883	0.263
McGill	0.663	0.723	−0.802	−0.375	−0.310	−0.569	−0.510	0.075	0.172
p-value	0.004	0.001	<0.001	0.784	0.226	0.017	0.036	0.158	0.509

^†Prof-M= Profile of fatigue-Mental domain; CES-D = Centers for Epidemiology Scale –Depression; FSS= Fatigue Severity Scale; McGILL= Short Form-McGill Pain Inventory; HVLT-R= Hopkins Verbal Learning Test-Revised, totalscore; DST= Digit Symbol Test; Stroop=Stoop Interference Test; COWAT= Controlled Oral Word Association Test.