Table 1.

Resistivity index of right and left renal and intrarenal arteries.

Scan	With pyelocaliceal dilatation						Without pyelocaliceal dilatation
				Mean						Mean
	1	2	3	1-2-3	PP		1	2	3	1-2-3	PP
Right renal artery	0.66	0.69	0.67	0.67	0.65		0.66	0.67	0.65	0.64	0.66
Right middle segmental artery	0.64	0.65	0.64	0.64	0.61		0.65	0.64	0.63	0.59	0.64
Right upper interlobar artery	0.63	0.63	0.63	0.63	0.60		0.62	0.63	0.60	0.59	0.62
Right lower arcuate artery	0.63	0.62	0.61	0.62	0.59		0.62	0.62	0.60	0.58	0.61
Left renal artery	0.68	0.70	0.71	0.69	0.69		0.67	0.66	0.66	0.65	0.66
Left middle segmental artery	0.68	0.66	0.67	0.67	0.67		0.61	0.64	0.64	0.59	0.63
Left upper interlobar artery	0.63	0.64	0.67	0.65	0.65		0.61	0.61	0.61	0.59	0.61
Left lower arcuate artery	0.65	0.66	0.64	0.65	0.63		0.61	0.61	0.60	0.59	0.61

1, first trimester; 2, second trimester; 3, third trimester; Mean 1-2-3, mean value for first, second and third trimesters; PP, postpartum.