Table II.

Diameters of the cephalic and/or basilic veins and brachial artery used for arteriovenous fistula creation by timepoint

Diameter (mm)	n	Timepoints and comparisons of 1M post and 2M post versus pre (mean±SD)
		Pre	1M post	2M post
Brachial artery	41	4.35±1.18	5.36±1.01***	5.54±1.18***
Cephalic/basilic vein	41	3.10±1.21	7.02±1.53***	7.72±2.25***,†††
Cephalic vein	32	3.83±1.35	7.21±1.52***	8.10±2.21***,†††
Basilic vein	9	4.08±1.59	6.33±1.42***	6.19±1.41**

P^**<0.01, ^***<0.001 compared to respective pre values; ^†††P<0.001 compared to 1M Post values AVF, arteriovenous fistula; SD, standard deviation; Pre, before AVF creation; 1M/1M Post, 1/2 month(s) after AVF creation