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Table 3: Bayesian-derived quantitative analysis of CBF, CBV, and MTT for gray matter and white matter in half-dose (0.05-mmol/kg) and full-dose (0.1-mmol/kg) contrast groups^{^a}
Contrast Dose Bayesian-Processed DSC
GM t Test (P Value) WM t Test (P Value)
FD HD FD HD
CBF (mL/100 g/min) 75.7 ± 27.0 62.1 ± 23.2 .001^{^b} 21.6 ± 7.1 17.9 ± 6.2 .037^{^b}
CBV (mL/100 g) 2.2 ± 0.8 1.8 ± 0.7 .090 1.3 ± 0.4 1.1 ± 0.4 .11
MTT (sec) 2.9 ± 0.9 2.7 ± 1.1 .450 4.3 ± 1.1 4.8 ± 1.2 .051
↵a Data are presented as mean ± SD.
↵b Significant.

Contrast Dose	Bayesian-Processed DSC
	GM		t Test (P Value)	WM		t Test (P Value)
	FD	HD	t Test (P Value)	FD	HD	t Test (P Value)
CBF (mL/100 g/min)	75.7 ± 27.0	62.1 ± 23.2	.001^{^b}	21.6 ± 7.1	17.9 ± 6.2	.037^{^b}
CBV (mL/100 g)	2.2 ± 0.8	1.8 ± 0.7	.090	1.3 ± 0.4	1.1 ± 0.4	.11
MTT (sec)	2.9 ± 0.9	2.7 ± 1.1	.450	4.3 ± 1.1	4.8 ± 1.2	.051