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. 2014 Jul 7;6:159. doi: 10.3389/fnagi.2014.00159

Table 2.

Main and interaction effects of age and vascular risk burden on CBF.

Block	Variable	Medial temporal CBF		Inferior parietal CBF		Posteromedial CBF		Frontal CBF		Thalamus CBF		Caudate CBF
		ΔR²	B (SE)	ΔR²	B (SE)	ΔR²	B (SE)	ΔR²	B (SE)	ΔR²	B (SE)	ΔR²	B (SE)
1	Sex	0.06	7.41 (3.80)	0.10^*	12.30^** (4.68)	0.16^**	14.53^*** (4.04)	0.18^***	8.44^*** (2.22)	0.19^**	22.68^*** (5.74)	0.19^***	12.68 (3.5)^***
	APOE ε4 status		2.00 (3.96)		4.54 (4.88)		0.86 (4.2)		−0.59 (2.3)		5.68 (5.99)		6.42 (3.65)
2	Age	0.01	0.16 (0.25)	<0.001	−0.05 (0.31)	0.003	−0.12 (0.27)	0.003	0.03 (0.15)	0.03	−0.57 (0.37)	0.04	−0.22 (0.27)
	Vascular risk		2.34 (4.68)		0.46 (5.79)		0.67 (4.50)		1.16 (2.74)		4.78 (6.97)		6.83 (4.23)
3	Age × vascular risk	0.07^*	−0.86 (0.37)	0.07^*	−1.05^* (0.45)	0.03	−0.63 (0.40)	0.11^**	−0.66 (0.21)^**	0.02	−0.75 (0.56)	0.008	−0.28 (0.34)

^*

p < 0.05,

^**

p ≤ 0.01,

^***

p ≤ 0.001.

B, unstandardized coefficient estimate.