Table 3.

Correlation analysis between perfusion results and neurological test (SDMT and EDSS) in patients with MS.

		SDMTn = 27	EDSSn = 28
CBF superior frontal gyrus	rho	–0.07	–0.52
	P	0.75	0.005
CBF middle frontal gyrus	rho	–0.02	–0.53
	P	0.92	0.003
CBF inferior frontal gyrus	rho	–0.06	–0.49
	P	0.76	0.007
CBF caudate	rho	–0.15	–0.40
	P	0.45	0.04
CBF thalamus	rho	–0.08	–0.47
	P	0.68	0.01
BAT superior frontal gyrus	rho	–0.15	0.19
	P	0.45	0.33
BAT middle frontal gyrus	rho	–0.17	0.22
	P	0.40	0.26
BAT inferior frontal gyrus	rho	–0.16	0.31
	P	0.44	0.11
BAT caudate	rho	–0.27	0.26
	P	0.17	0.19
BAT thalamus	rho	–0.35	0.43
	P	0.07	0.02
CV superior frontal gyrus	rho	0.4	–0.25
	P	0.048	0.21
CV middle frontal gyrus	rho	0.16	–0.23
	P	0.42	0.27
CV inferior frontal gyrus	rho	0.37	–0.39
	P	0.06	0.04
CV caudate	rho	0.26	–0.25
	P	0.18	0.21
CV thalamus	rho	0.33	–0.32
	P	0.09	0.1

Values in bold represent statistically significant correlations.

BAT, bolus arrival time; CBF, cerebral blood flow; CV, cerebral volume; EDSS, Expanded Disability Status Scale; SDMT, Symbol Digit Modalities Test.