Table 3.

Cumulative incidence and event rates of adverse events and procedures

Adverse Event or ProcedureVascular Access TypeEvent Rate
Radiocephalic Arteriovenous Fistula (420)Upper Arm Arteriovenous Fistula (341)Arteriovenous Graft (102)Radiocephalic Arteriovenous Fistula (420)Upper Arm Arteriovenous Fistula (341)Arteriovenous Graft (102)
Adverse events
 VA site infection7 (1.7%)15 (4.4%)11 (10.8%)0.0049±0.0400.07±0.450.10±0.40
 Thrombosis69 (16.4%)37 (10.9%)36 (35.3%)0.46±5.10.14±0.611.83±8.34
Procedures
 Percutaneous procedure—only balloon angioplasty—still functional VA204 (48.6%)129 (37.8%)69 (67.6%)1.01±2.791.64±8.961.84±4.37
 Percutaneous procedure including thrombectomy—occluded VA21 (5.0%)16 (4.7%)35 (34.3%)0.03±0.240.05±0.321.13±4.04
 Stenting1 (0.2%)16 (4.7%)5 (4.9%)0.001±0.0240.04±0.330.02±0.10
 Surgical revision80 (19.0%)24 (7.0%)21 (20.6%)0.29±2.620.05±0.280.31±1.55
 Flow reduction3 (0.7%)32 (6.2%)0 (0%)0.0043±0.0600.05±0.320.00±0.00
  • Event rates are expressed as number of events per year of functional patency ± SD. VA, vascular access.