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Table 1 Survey of practicing nephrologists on timing of preemptive vascular access placement

From: Timing of preemptive vascular access placement: do we understand the natural history of advanced CKD?: an observational study

  UCSF Nephrologists San Diego nephrologists Medical directors
(N = 16) (N = 8) (N = 29)
Survey participant characteristics
Age, years, mean(SD) 46.1 (13.0) 43.1 (7.2) 51 (10.4)
Years in practice, median [IQR] 10.0 [2.0,21.0] 8.5 [6.0,12.0] 15.0 [10.0, 25.0]
Survey questions
“How many months before the initiation of hemodialysis do you think an AV fistula should be created?” mean (SD) 6 (2) 6 (2) 6 (3)
“At what estimated GFR should an AV fistula be created?” mean (SD) 18.0 (4.0) ml/min/1.73 m2 18.6 (3.8) ml/min/1.73 m2 17.5 (3.6) ml/min/1.73 m2
“Do you think that surgery to create an AV fistula should be done when the likelihood of developing ESRD in the next year is at or above”, % mean (SD) 67 (14)% 66 (19)% 68 (17) %