Table 1.

Demographic and laboratory characteristics of study participants at enrollment

VariablenPercentageMean (SD)Median
Age (years)44462.3 (12.4)63
Gender
    female21047.3
    male23452.7
Race
    African American23853.6
    Caucasian19143.0
    other153.4
Dialysis
    hemodialysis40190.3
    peritoneal439.7
Diabetes type
    1388.6
    240691.4
ACE/ARB
    no22951.6
    yes21548.4
EPO use
    no286.3
    yes41693.7
BMI (kg/m2)44429.4 (7.3)28.6
Diabetes duration (years)44418.5 (10.8)18.0
ESRD duration (years)4442.9 (2.6)2.2
HbA1c (%)4436.8 (1.5)6.5
GA (%)44319.1 (6.1)17.7
Serum albumin (g/dl)4443.9 (0.4)4.0
Hemoglobin (g/dl)44411.8 (1.2)11.8
URR (%)40172.5 (9.6)73.0
Ferritin (ng/ml)444579 (407)496
Iron saturation (%)44428.0 (13.0)25.0
BUN (mg/dl)44447.7 (16.4)47.0
Serum creatinine (mg/dl)4447.9 (2.8)7.7
Serum aspartate aminotransferase (units/L)44419.3 (8.1)17.0
Serum glucose (mg/dl)444169 (63)158
Serum phosphorus (mg/dl)4085.9 (2.6)5.7
  • ACE/ARB, angiotensin-converting enzyme inhibitor/angiotensin receptor blocker; BMI, body mass index; BUN, blood urea nitrogen; EPO, erythropoietin; GA, glycated albumin; Hb, hemoglobin; URR, urea-reduction ratio.