Table 3. Associations between baseline characteristics and septicemia hospitalization in the first year of dialysis therapy in the 1996-to-1999 cohort

FactorRelative Riska95% CIa,bPa
a Using a Poisson regression model including the variables shown in the first column. The reference categories were peritoneal dialysis; age 20 to 44 yr; male gender; other race; non-Hispanic ethnicity; 1996 as year of dialysis inception; absence of congestive heart failure, atherosclerotic heart disease, cardiac arrest or dysrhythmia, stroke or transient ischemic attack, peripheral vascular disease, chronic obstructive pulmonary disease, current tobacco use, cancer, alcohol or drug dependence, inability to ambulate or transfer; hemoglobin 11 to 12 g/dl; serum albumin 3.1 to 3.4 g/dl; estimated GFR 5.1 to 10 ml/min per 1.73 m2; and body mass index 18.5 to 24.9 kg/m2.
Mode of dialysis
    hemodialysis2.091.97 to 2.22<0.0001
    peritoneal dialysis1
Age (yr)
    0 to 190.710.59 to 0.860.0003
    20 to 441
    54 to 640.850.81 to 0.89<0.0001
    65 to 741.020.98 to 1.070.4
    ≥751.211.15 to 1.26<0.0001
Gender
    male1
    female1.020.99 to 1.050.09
Race
    white0.970.90 to 1.030.3
    black1.070.99 to 1.140.06
    Asian0.610.55 to 0.68<0.0001
    other1
Hispanic ethnicity1.091.05 to 1.13<0.0001
Congestive heart failure1.141.11 to 1.18<0.0001
Atherosclerotic heart disease0.980.95 to 1.010.1
Cardiac arrest or dysrhythmia1.020.97 to 1.070.5
Stroke or transient ischemic attack1.161.11 to 1.21<0.0001
Peripheral vascular disease1.111.08 to 1.15<0.0001
Diabetes1.111.08 to 1.14<0.0001
Chronic obstructive pulmonary disease1.091.05 to 1.15<0.0001
Current tobacco use0.950.90 to 1.000.06
Cancer1.201.14 to 1.27<0.0001
Alcohol or drug dependence1.181.09 to 1.28<0.0001
Inability to ambulate or transfer1.651.57 to 1.73<0.0001
Hemoglobin (g/dl)
    <111.051.01 to 1.090.03
    11 to 121
    >120.990.93 to 1.060.9
Serum albumin (g/dl)
    ≤3.01.241.20 to 1.28<0.0001
    3.1 to 3.41
    ≥3.50.840.80 to 0.87<0.0001
Estimated GFR (ml/min per 1.73 m2)
    <50.890.86 to 0.93<0.0001
    5 to 101
    >101.221.19 to 1.26<0.0001
Body mass index (kg/m2)
    <18.51.181.13 to 1.24<0.0001
    18.5 to 24.91
    25 to 29.90.950.92 to 0.980.0007
    ≥301.010.97 to 1.040.68