Table 4.

Characteristics of patients with AVF or AVGab

Patient PopulationAVG n (%)AVGen (%)
a Continuous variables presented as mean ± SD. Numbers do not add up to total n secondary to missing data.
b For the subset of patients with serum albumin measured by the Bromocresol Green (BCG) laboratory method.
c Incident patients defined as those initiating HD between January 1, 1998, and August 31, 1998.
d Diabetes mellitus as the primary cause of ESRD.
e Including bovine grafts.
f Hi-flux defined as KUf ≥ 20.
gP ≤ 0.05.
hP ≤ 0.001.
i Multiply by 10 to convert to g/L (SI).
j Multiply by 10 to convert to g/L (SI).
k Not significant.
Number of patients2235 (100)3911 (100)
Incident patientsc389 (17)562 (14)g
Prevalent patients1846 (83)3349 (86)
Demographics
    age (yr)58.9 ± 1662.1 ± 14.6 h
    gender
        male1551 (69)1822 (47)h
        female682 (31)2085 (53)
    race
        black665 (30)1591 (41)h
        white1312 (59)1977 (51)
        other258 (12)343 (9)
    mean postdialysis weight (kg)73.7 ± 18.674.6 ± 19.5k
    BMI (kg/m2)25.4 ± 5.626.8 ± 6.5h
    diabetes mellitusd718 (33)1686 (44)h
Process measures and intermediate outcomes
    mean dialysis time (min)217 ± 30.2212.8 ± 30.0h
    mean blood pump speed (ml/min)402.4 ± 65.8410.1 ± 61.9h
    mean Kt/V1.48 ± 0.291.53 ± 0.29h
    mean URR (%)70 ± 771 ± 6h
    duration of HD (yr)3.9 ± 4.33.7 ± 3.7k
Laboratory measures
    serum albumin (g/dl)bi3.80 ± 0.403.75 ± 0.39h
    hemoglobin g/dlj11.6 ± 1.211.5 ± 1.2g