Renal Function and Ultrasound Imaging in Elderly Subjects

Table 4

Spearman’s correlation between kidneys ultrasound data and renal function.

	24 h-CrCl	CG	MDRD	CKD-EPI
l-diameter	0.44^b	0.50^b	0.30^a	0.32^a
t-diameter	0.28^a	0.44^b	0.18	0.19
t-volume	0.53^b	0.68^b	0.33^a	0.36^a
p-volume	0.54^b	0.66^b	0.34^a	0.37^a
mPT	0.46^b	0.49^b	0.27^a	0.29^a
ASMT	0.53^b	0.60^b	0.29^a	0.31^a
ASMS	0.30^a	0.37^a	0.07	0.09
ASMP	0.56^b	0.61^b	0.34^a	0.36^a
RI	−0.03	−0.00	−0.14	−0.16
t-volume/BSA	0.47^b	0.56^b	0.50^b	0.52^b
t-volume/RI	0.51^b	0.67^b	0.37^a	0.41^b
t-volume/BSA/RI	0.44^b	0.55^b	0.53^b	0.55^b

; . ASMS, mean kidney sinus section area; ASMT, mean total kidney section area; ASMP, mean kidney parenchymal section area; l-diameter, mean kidney longitudinal diameter; t-diameter, mean kidney transverse diameter; t-volume, mean total kidney volume; p-volume, mean kidney parenchymal volume; mPT, mean parenchymal thickness; RI, mean resistance index.