Table 2.

One- and 3-year primary, primary assisted, secondary, and functional patency for radiocephalic arteriovenous fistulas, upper arm arteriovenous fistulas, and arteriovenous grafts

Patency Measure1-yr Patency3-yr Patency
Radiocephalic Arteriovenous FistulaUpper Arm Arteriovenous FistulaArteriovenous GraftRadiocephalic Arteriovenous FistulaUpper Arm Arteriovenous FistulaArteriovenous Graft
Patency measures of VAs excluding VAs that did not mature (n=863), %
 Primary51±365±347±535±343±313±4
 Primary assisted78±281±267±553±352±332±5
 Secondary93±194±194±386±284±378±5
 Functional91±192±289±383±283±372±6
Patency measures of VAs including VAs that did not mature (n=1041), %
 Primary39±259±345±526±239±312±4
 Primary assisted59±273±265±540±247±331±5
 Secondary71±285±290±364±275±375±5
 Functional67±283±285±462±274±369±5
  • Patency rates are percentage of VAs still patent ± SEM. Patients are censored for death and transplantation. VA, vascular access.