Research Article

Oxidative Stress and Nonalcoholic Fatty Liver Disease in Hemodialysis Patients

Table 1

Comparison of the baseline characteristics of nondiabetic hemodialysis patients with and without nonalcoholic fatty liver disease (NAFLD).

Non-NAFLDNAFLDP value
N=52 (73%)N=19 (27%)

Age (years)56.4(12.0)55.0(10.9)0.656
Male (%)44%32%0.337
BMI21.7(3.8)20.4(2.7)0.164
Hemodialysis vintage (months)85.6(65.0)93.9(65.0)0.630
Dialysis membrane (Cellulose %)38%58%0.144
Hepatitis B310.907
Hepatitis C710.340

Adequacy of hemodialysis
Kt/V1.51(0.24)1.54(0.29)0.640
URR0.77(0.05)0.78(0.07)0.756

Hemogram
Hemoglobin (g/dL)10.5(1.1)10.5(0.9)0.796
Platelet (1000/uL)194(41)201(41)0.531

Biochemistry
Sugar (mg/dL)128(37)145(62)0.175
Calcium (mg/dL)9.1(0.8)9.1(0.9)0.918
Phosphorus (mg/dL)4.9(1.3)4.7(1.2)0.402
Intact parathyroid hormone (ug/L)402(371)277(328)0.203
Albumin (g/dL)3.72(0.30)3.77(0.34)0.513
Blood urea nitrogen (mg/dL)65(15)68(13)0.514
Creatinine (mg/dL)11.6(2.4)10.9(1.6)0.240
Ferritin (ng/mL)395(216)398(244)0.959

Liver function
AST (U/L)20(9)19(7)0.658
ALT (U/L)16(9)14(6)0.329
Total bilirubin (mg/dL)0.33(0.13)0.29(0.08)0.151
Alkaline phosphatase (IU/L)104(45)93(68)0.433

Lipid profile
Triglycerides (mg/dL)156(86)174(96)0.451
Cholesterol (mg/dL)185(33)194(42)0.342
Low-density lipoprotein (mg/dL)109(27)108(36)0.961
High-density lipoprotein (mg/dL)45(9)49(15)0.150

Dialysis related medications
Vitamin C supplement6%0%0.285
Intravenous iron supplement29%0%0.008
Activated vitamin D3 supplement21%21%0.993

Oxidative stress biomarkers and mitochondrial function
TBARS (uM/L)0.69(0.38)0.80(0.36)0.311
Thiol (uM/L)1.74(0.40)1.56(0.41)0.111
GPx (U/L)206.19(44.66)233.05(49.55)0.033
SOD (U/L)394.71(161.38)455.27(180.54)0.179
MtDNA copy number277.30(183.40)439.25(267.34)0.006

Values are expressed as mean (SD) or number (%).
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Abbreviations. SD, standard deviation; NAFLD, nonalcoholic fatty liver disease; URR, urea reduction ratio; AST, Aspartate Aminotransferase; ALT, alanine aminotransferase; BMI, body mass index; TBARS, thiobarbituric acid reactive substances; GPx, glutathione peroxidase; SOD, superoxide dismutase; MtDNA, mitochondrial DNA.