Table 4.

Summary of Spearman correlation coefficients (ρ)

	Age	eGFR	Cor_BF	Med_BF	BMI
Age	1	−0.62	−0.58	−0.39	0.47
P value		<0.0001	<0.0001	0.0028	<0.0001
eGFR		1	0.67	0.62	−0.58
P value			<0.0001	<0.0001	<0.0001
Cor_BF			1	0.70	−0.55
P value				<0.0001	<0.0001
Med_BF				1	−0.38
P value					0.0029
BMI					1

BMI, body mass index; Cor_BF, cortical blood flow; eGFR, estimated glomerular filtration rate; Med_BF, medullary blood flow.