Table 1.

Patient characteristics

Demographic VariablesESRD (n = 90)CKD (n = 87)P value
Age, mean (SD), y54 ± 1551 ± 150.2
Men % (n)57 (51)66 (57)0.3
African American % (n)41 (37)20 (17)0.002
Body mass index, mean (SD), kg/m227 ± 526 ± 150.4
Married (%)61 (53)58 (52)0.7
Educational status
    Less than 9th grade % (n)11 (10)5 (4)0.1
    High school graduate % (n)31 (28)28 (24)0.6
Comorbid conditions
    Diabetes35 (39)31 (36)0.6
    Cardiovascular disease32 (36)21 (24)0.07
Laboratory variables
    Hemoglobin, mean (SD) g/dl11.9 (1.6)11.7 (1.5)0.5
    Serum calcium, mean (SD) mg/dl9.0 (1.0)9.1 (0.6)0.5
    Serum phosphorous, mean (SD) mg/dl5.5 (1.6)4.5 (1.2)<0.001
    Serum albumin, mean (SD) g/dl3.9 (0.5)3.8 (0.6)0.1
Functional status
    Karnofsky score, mean (SD)2.75 ± 1.32.1 ± 1.10.001
    ADL, median (IQR)a15 (13, 16)16 (14.5, 16)0.008
  • a ADL, activities of daily living.