Table 1.

Demographic, clinical, and laboratory characteristics in studied group of 2798 with and 1291 diabetic PD patients without A1C measured in the calendar quarter of entry into the cohort

VariablesPD Patients with DM and A1C Measurement (n = 2798)PD Patients with DM and No A1C Measurement (n = 1291)P
Age (years)58 ± 1359 ± 130.20
Gender (% women)44460.17
Diabetes as cause ESRD (%)8575<0.001
Race/ethnicity (%)0.06
    Caucasian5355
    African American2022
    Hispanic1613
Vintage (time on dialysis, %)<0.001
    <6 months7160
    6 to 24 months1623
    2 to 5 years1113
    >5 years24
Primary insurance<0.001
    Medicare (%)5964
Body mass index (kg/m2)27.0 ± 4.627.2 ± 4.60.20
Serum albumin (g/dl)3.5 ± 0.53.4 ± 0.50.04
Serum creatinine (mg/dl)7.2 ± 3.17.4 ± 3.30.02
Serum ferritin (ng/ml)339 (384)372 (403)0.01
Serum total iron binding capacity (mg/dl)241.8 ± 51.8235 ± 52.5<0.001
Serum bicarbonate (mg/dl)25.4 ± 3.125.0 ± 3.30.001
Serum phosphorus (mg/dl)5.1 ± 1.35.3 ± 1.40.005
Serum calcium (mg/dl)9.1 ± 0.79.0 ± 0.80.05
Blood hemoglobin (g/dl)12.2 ± 1.412.1 ± 1.60.002
White blood cell count (×103 per μl)7.9 ± 2.78.0 ± 3.20.08
Lymphocyte (% of total WBC count)18.8 ± 7.018.1 ± 7.50.01
  • Data represent 13-week average measurements during the baseline (first calendar) quarter.