Table 1.

Baseline characteristics of patients

CharacteristicRadiocephalic Arteriovenous Fistula, 557Upper Arm Arteriovenous Fistula, 378Arteriovenous Graft, 106
Sex
 Men392 (70.4%)199 (52.6%)44 (42.5%)
 Women165 (29.6%)179 (47.4%)62 (58.5%)
Follow-up duration, mo28.6±30.124.2±21.433.5±28.7
Patient age, yr62.7±15.063.4±14.465.4±14.0
BMI, kg/m227.0±5.826.3±6.027.7±6.7
Preemptive318 (57.1%)186 (49.2%)61 (57.5%)
Preoperative vein diameter (lumen), mm2.9±0.83.7±1.34.0±1.5
Preoperative artery diameter (lumen), mm2.6±0.54.1±0.84.4±0.9
Ipsilateral CVC72 (12.9%)69 (18.3%)8 (7.5%)
Cause of renal failure
 Diabetes mellitus117 (21.0%)93 (24.6%)37 (34.9%)
 Renal vascular disease128 (23.0%)76 (20.1%)27 (25.5%)
 Cystic kidney disease44 (7.9%)20 (5.3%)4 (3.8%)
 GN60 (10.8%)34 (9.0%)5 (4.7%)
 Congenital/hereditary16 (2.9%)12 (3.2%)2 (1.9%)
 Interstitial nephropathy35 (6.3%)21 (5.6%)5 (4.7%)
 Multisystem disease25 (4.5%)20 (5.3%)3 (2.8%)
 Other70 (12.6%)59 (15.6%)11 (10.4%)
 Unknown62 (11.1%)43 (11.4%)12 (11.3%)
Comorbidities
 Diabetes mellitus205 (36.8%)150 (39.7%)66 (62.3%)
 Coronary artery disease153 (27.5%)105 (27.8%)32 (30.2%)
 Peripheral vascular disease105 (18.9%)76 (20.1%)21 (19.8%)
 Cerebrovascular disease83 (14.9%)58 (15.3%)15 (14.2%)
  • Numbers denote mean ± SD for continuous variables or count (percentage) for categorical variables. BMI, body mass index; CVC, central venous catheter.