Characteristic MHD patients N = 72 Normal controls N = 39 p Value Age (years) 52.3 ± 12.9 51.0 ± 12.7 0.570 Gender (M/F) 49/23 23/16 0.391 Male (%) 68 59 DM/non-DM 23/49 Dialysis vintage (months) 53.9 ± 45.0 47.8 (51.4) Race (%) 0.423  African American 29 (40 %) 8 (21 %)  Asian 22 (31 %) 19 (49 %)  Caucasian 5 (6.9 %) 4 (10 %)  Hispanic 15 (21 %) 8 (21 %)  Pacific Islander 1 (1.4 %) 0 Education levels (%) 0.056  Below high school graduate 14 (19 %) 2 (5.1 %)  High school graduate 25 (35 %) 14 (36 %)  ≤2 years of college  ≥2 years of college 33 (46 %) 23 (59 %) Charlson comorbidity index 5.7 ± 2.7 – Weight (kg) 78.9 ± 21.5 74.8 ± 14.5 0.237 76.4 (25.6) 77.0 (18.9) Body mass index (kg/m2) 27.8 ± 5.8 27.0 ± 3.9 0.388 26.2 (7.6) 27.0 (5.9) Lean body mass (kg) 54.0 ± 15.4 51.4 ± 11.3 0.315 51.5 (17.7) 49.1 (15.9) Lean body mass index (kg/m2) 18.9 ± 3.4 18.4 ± 2.7 0.472 18.3 (3.0) 18.2 (3.2) Body fat (%) 28.3 ± 8.5 27.9 ± 8.1 0.786 26.8 (11) 25.8 (14) Serum albumin (g/dL) 4.1 ± 0.3 4.1 ± 0.2 0.606 Serum creatinine (mg/dL) 10.5 ± 4.3 0.84 ± 0.2 <0.0001 9.8 (3.8) nPNA (g protein/kg/day) 1.10 ± 0.26 Sp Kt/Vurea 1.72 ± 0.40 Serum TIBC (ug/mL) 240.6 ± 40.1 Serum ferritin (ng/mL) 453.2 ± 313.2 Hemoglobin (g/dL) 11.2 ± 0.8 13.8 ± 1.3 <0.0001 11.2 (0.9) 14 (2.1) Serum calcium (mg/dL) 9.0 ± 0.7 Serum phosphorus (mg/dL) 5.3 ± 1.4 Serum PTH (pg/mL) 480 ± 277 456 (305) Serum bicarbonate (mEq/L) 24.5 ± 2.6