. 2018 Jun 5;39(1):173–181. doi: 10.1177/0271678X18781667

Table 2.

Correlation coefficients between ASL and PET-based measures.

		PET	Pooled data		Contralateral only		Ipsilateral only
		PET	r	p	r	p	r	p
PASL ATT		CBF	*−0.480*	*0.004*	*−0.537*	*0.026*	−0.311	0.224
		CBV	0.094	0.596	−0.063	0.811	−0.030	0.910
	vs.	MTT	*0.508*	*0.002*	*0.488*	*0.047*	0.268	0.298
		VR	−0.208	0.237	−0.235	0.365	0.123	0.638
		OEF	0.268	0.126	0.158	0.545	0.355	0.162
pCASL Spatial CoV		CBF	*−0.541*	*0.001*	−0.374	0.139	*−0.570*	*0.017*
		CBV	0.082	0.644	−0.078	0.767	−0.050	0.848
	vs.	MTT	*0.587*	*<0.001*	0.339	0.183	*0.508*	*0.037*
		VR	*−0.373*	*0.030*	−0.116	0.657	−0.376	0.137
		OEF	0.074	0.679	−0.039	0.883	0.051	0.845

Note: Numbers in bold italic represent significant correlations (p < 0.05).

ATT: arterial transit time; CBF: cerebral blood flow; CBV: cerebral blood volume; CoV: coefficient of variation; MTT: mean transit time; OEF: oxygen extraction fraction; PASL: pulsed arterial spin labeling; pCASL: pseudo-continuous arterial spin labeling; PET: positron emission tomography; VR: vascular reactivity.