Table 1.

Baseline characteristics of 616 incident hemodialysis patients enrolled in the CHOICE Study, by type of vascular access in use at initiation and at 6 months after initiation of hemodialysisa

Initiation of HemodialysisSix Months after Initiation of Hemodialysis
AVFAVGCatheterAVFAVGCatheter
N85121410126194164
Age, mean (SD)56.5 (15.0)61.4b (11.8)58.4d (15.5)56.8 (13.8)60.8b (13.7)58.6 (15.7)
Female, n (%)33 (38.8)69c (57.0)180e (43.9)37 (29.4)111c (57.2)73c,d (44.5)
Black, n (%)19 (22.4)49c (40.5)119d (29.0)30 (23.8)71b (36.6)45c (27.4)
History of peripheral vascular disease, n (%)19 (22.4)34 (28.1)105 (25.6)26 (20.6)52 (26.8)51b(31.1)
History of cardiovascular disease, n (%)42 (49.4)53 (43.8)191 (46.6)53 (42.1)46 (49.5)76 (46.3)
Diabetes, n (%)36 (42.4)82c (67.8)217e (52.9)59 (46.8)124c (63.9)84d (51.2)
Index of coexisting disease, n (%)bccc
    mild39 (45.9)34 (28.1)108 (26.3)57 (45.2)50 (25.8)35 (21.3)
    moderate26 (30.6)48 (39.7)153 (37.3)38 (30.2)81 (41.8)65 (39.6)
    severe20 (23.5)39 (32.2)149 (36.3)31 (24.6)63 (32.5)64 (39.0)
Body mass index (kg/m2), mean (SD)26.9 (5.6)28.1 (6.4)27.2 (7.2)27.1 (5.7)28.3 (7.3)26.9 (7.3)
High school education, n (%)23 (27.1)33 (27.3)136 (33.2)40 (31.8)62 (32.0)52 (31.7)
Insurance status before initiation of dialysis, n (%)
    group25 (29.4)31 (25.6)115 (28.1)39 (31.0)51 (26.3)45 (27.4)
    Medicare/Medicaid43 (50.6)72 (59.5)211 (51.5)57 (45.2)112 (57.5)85 (51.8)
    other10 (11.8)5 (4.1)45 (11.0)17 (13.5)14 (7.2)22 (13.4)
    none7 (8.2)13 (10.7)39 (9.5)13 (10.3)17 (8.8)12 (7.3)
Time of first referral to a nephrologist, n (%)bc,dc
    <4 mo10 (11.8)34 (28.1)137 (33.4)24 (19.1)56 (28.9)58 (35.4)
    4 to 12 mo9 (10.6)9 (7.4)59 (14.4)20 (15.9)22 (11.3)26 (15.9)
    ≥12 mo66 (77.7)78 (64.5)214 (52.2)82 (65.1)116 (59.8)80 (48.8)
  • a CHOICE, Choices for Healthy Outcomes in Caring for ESRD; AVF, arteriovenous fistula; AVG, arteriovenous graft.

  • b P < 0.05 versus AVF.

  • c P < 0.01 versus AVF.

  • d P < 0.05 versus AVG.

  • e P < 0.01 versus AVG.