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Table 3: Effect of sex and dichotomized risk factors on global and lesional MTR metrics^a
NABT WMH
Peak Position Peak Height FWHM Mean MTR
Sex 0.268 −2.638^b 3.908^b 0.191
Hypertension 2.792 0.979 0.440 2.018^b
Diabetes 1.468 2.126^b −0.603 0.451
Smoking −1.499 −1.107 1.417 −1.020
Cardiac disease −1.766 −2.628^b 0.321 −0.485
a The t values of an unpaired t test are shown.
b Significant factor (P< .05).

	NABT			WMH
Peak Position	Peak Height	FWHM	Mean MTR
Sex	0.268	−2.638^b	3.908^b	0.191
Hypertension	2.792	0.979	0.440	2.018^b
Diabetes	1.468	2.126^b	−0.603	0.451
Smoking	−1.499	−1.107	1.417	−1.020
Cardiac disease	−1.766	−2.628^b	0.321	−0.485