Table 1.

Renal artery duplex measurements.

Criteria	Right Kidney	Left Kidney
Size (cm)	8.71	10.26
Velocity (cm/s)
Origin	350	208
Proximal	175	211
Mid	49	112
Distal	41	NR
RI
Upper	0.64	0.59
Mid	0.69	0.57
Lower	0.71	0.50
RAR	2.69	1.67

RI = resistive indices, RAR = renal to aortic ratio, and NR = not recorded