Chronic cerebrospinal venous insufficiency is not associated with cognitive impairment in multiple sclerosis

Table 2 Correlation coefficients between venous hemodynamic insufficiency severity score (VHISS) and depression and cognition scores in multiple sclerosis patients (n = 109)

	Zero order r	Partial r
Beck Depression Inventory Fast Screen	0.10	0.13
Symbol Digit Modalities Test	−0.03	−0.02
Paced Auditory Serial Addition Test	−0.04	−0.07
CVLT2Total Learning	−0.06	−0.04
CVLT2Delayed Recall	−0.13	−0.13
BVMTR Total Learning	0.06	0.04
BVMTR Delayed Recall	0.10	0.09
Controlled Oral Word Association Test	0.02	−0.03
Judgment of Line Orientation Test	0.13	0.00
DKEFS Sorting Correct Sorts	0.04	−0.05
DKEFS Sorting Description Score	0.08	−0.01

BVMTR Brief Visuospatial Memory Test, Revised, CVLT2 California Verbal Learning Test, 2nd edition, DKEFS Delis-Kaplan Executive Function System.

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