Table 2. Characteristics of patients with and without coronary artery disease (CAD) by treatment modality at ESRD onset (n = 107,922)

Patient CharacteristicsCAD Present (n = 27,997)CAD Absent (n = 79,925)
HD (n = 24,818)PD (n = 3179)HD (n = 69,082)PD (n = 10,843)
a At first dialysis per MDRD formula (26).
b Includes a history of peripheral vascular disease amputation, intermittent claudication, or absent foot pulses.
c P < 0.05,
d P < 0.01,
e P < 0.001 for bivariate comparisons for bivariate comparisons in each CAD category.
Demographics
    age of onset of ESRD (mean yrs ± SD)68.6 ± 10.764.8 ± 11.5e60 ± 16.054 ± 15.4
    race
        % White76.185.3e56.870e
        % Black2011.2e37.223.7e
        % Asian2.62.54.04.7d
    gender (% male)5662.1e51.751.4
    cause of ESRD (% diabetes)5258e41.142.9d
Laboratory values (mean ± SD)
    serum albumin (g/dl)3.2 ± 0.63.4 ± 0.6e3.2 ± 0.673.5 ± 0.65e
    hematocrit (%)28.8 ± 4.930.2 ± 5.0e27.6 ± 5.429.1 ± 5.4e
    GFR (MDRD) (ml/min)a8.6 ± 2.89.1 ± 2.9e7.9 ± 2.98.2 ± 2.8e
Comorbid conditions (% yes or suspected)
    diabetes (history and/or nephropathy)50.352.6c35.434.7
    hypertension798070.171.2c
    cardiac arrest/dysrhythmia14.513.83.62.8e
    congestive heart failure5954c24.716.2e
    cerebrovascular disease15.813.3e6.94.8e
    peripheral vascular diseaseb3129c9.37.2e
    chronic obstructive lung disease13.39.7e5.12.8e
    tobacco use6.97.16.06.1
    AIDS0.060.090.760.51d
    neoplasm5.83.7e5.02.8e
    BMI (mean kg/m2 ± SD)25.4 ± 5.625.8 ± 5.1e25.7 ± 6.025.9 ± 5.4e