Table 1.

Comparison of two multicenter, randomized clinical trials

ParameterHaskal et al., 2010 (1) (Elective PTAa)Vesely and Siegel, 1995 (10) (Elective PTAa)
No. of patients9394
Target area patency at 6 months (%)23.046.9
Access circuit patency at 6 months (%)20.040.9
Graft thrombosis at 6 months (%)21.0NA
  • a PTA was performed for stenotic grafts and not thrombosed accesses.