Table 4.

Correlation of renal cortical and medullary PDFF and RBF values

Group	PDFF (%)				RBF (mL/100 g/min)
	Cortex		Medulla		Cortex		Medulla
	r	p	r	p	r	p	r	p
Cortex PDFF	-	-	0.888	< 0.001	−0.640	< 0.001	−0.910	< 0.001
Medulla PDFF	0.888	< 0.001	-	-	−0.636	< 0.001	−0.849	< 0.001
Cortex RBF	−0.640	< 0.001	−0.636	< 0.001	-	-	0.704	< 0.001
Medulla RBF	−0.910	< 0.001	−0.849	< 0.001	0.704	< 0.001	-	-
Perirenal fat	0.670	< 0.001	0.644	< 0.001	−0.479	< 0.001	−0.595	< 0.001
eGFR (mL/min/1.72 m2)	−0.711	< 0.001	−0.734	< 0.001	0.467	< 0.001	0.685	< 0.001
Scr (µmol/L)	0.709	< 0.001	0.714	< 0.001	−0.467	< 0.001	−0.671	< 0.001
Microalbuminuria	0.481	< 0.001	0.603	< 0.001	−0.343	< 0.001	−0.519	< 0.001

RBF renal blood flow, PDFF proton-density fat fraction, eGFR estimated glomerular filtration rate, Scr serum creatinine