Table 3.

Clinical use of the scoring systema

VariablePointsScoreVariable Definitions
Age ≥65 yr+2Age at time of fistula creation
PVD+3Documented lower extremity revascularization, digit or extremity amputation, history of claudication and ischemic extremity changes or gangrene
CAD+2.5Documented coronary stenosis by angiography or history of myocardial infarction or previous coronary revascularization by angioplasty, stenting, or bypass surgery
White−3Not of black, Asian, aboriginal, or other non-European descent
Baseline score+3All patients are given baseline score of 3
TotalSum of scores
  • a The total score could range from 0 to 10.5.