Table 4A.

Continued

VariableUnadjustedAdjusted
RR (95% CI)PRR (95% CI)P
a RR, relative risk; CI, confidence interval; PVD, peripheral vascular disease; AVF, arteriovenous fistula.
BMI
    ≤201.0 (reference)<0.001
    >20 and <240.91 (0.80 to 1.03)
    >24 and <280.84 (0.74 to 0.95)
    ≥280.79 (0.69 to 0.90)
Percent change BUN
    <621.09 (1.00 to 1.19)
    ≥621.0 (reference)0.041
Length of ESRD
    ≤2 yr1.0 (reference)<0.001
    >2 and <31.17 (1.05 to 1.31)
    >3 and <41.28 (1.12 to 1.46)
    >4 and <61.20 (1.05 to 1.36)
    >6 and <81.52 (1.30 to 1.78)
    ≥81.01 (0.86 to 1.18)
Undernourished, December 1993
    yes1.33 (1.19 to 1.50)
    no1.0 (reference)<0.001
Able to transfer independently
    yes0.76 (0.68 to 0.85)
    no1.0 (reference)<0.001
Smoker
    yes1.35 (1.24 to 1.47)
    no1.0 (reference)<0.001
CAD
3 severe1.39 (1.25 to 1.54)
    mild/moderate1.17 (1.06 to 1.29)
    none1.0 (reference)<0.001
PVD
    yes1.25 (1.14 to 1.36)
    no1.0 (reference)<0.001
Heart disease
    severe1.40 (1.27 to 1.54)
    mild/moderate1.34 (1.21 to 1.50)
    none1.0 (reference)<0.001
Diabetes
    yes1.27 (1.16 to 1.39)
    no1.0 (reference)<0.001
Transplant before December 1993
    yes0.83 (0.68 to 1.01)
    no1.0 (reference)0.056
Access
    synthetic graft1.0 (reference)0.0102
    permanent catheter1.29 (1.06 to 1.56)
    temporary catheter0.97 (0.77 to 1.22)
    AVF0.91 (0.83 to 1.00)
Hospitalized during baseline period
    yes1.30 (1.18 to 1.42)
    no1.0 (reference)<0.001
Days spent in hospital during baseline period1.01 (1.01 to 1.01)<0.001
EPO used during baseline period
    yes0.92 (0.84 to 1.00)0.0405
    no1.0 (Reference)