Research Article

Comparison of Oxidative Stress Parameters in Heart Failure Patients Depending on Ischaemic or Nonischaemic Aetiology

Table 2

Redox biomarkers of patients included into a study with comparison of study groups. Variables are shown as medians with lower and upper quartiles where appropriate.

Ischaemic ()Nonischaemic () value

TAC (mmol/l)1,14 (1,04-1,26)1,11 (0,98-1,22)0,001
TOS (mmol/l)4,75 (4-6,1)5,10 (4,3-6,2)NS
OSI (TOS/TAC)4,27 (3,31-5,65)4,60 (3,68-5,89)0,01
Uric acid (μmol/l)407,0 (333,0–505,0)413,0 (326,0-506,0)NS
Uric acid (μmol/l) XOi (-)406,0 (336,0–491,0)423,5 (344,5–497,5)NS
Uric acid (μmol/l) XOi (+)410,5 (324,0–541,0)403,0 (308,0–519,0)NS
Bilirubin (μmol/l)12,70 (9,20-19,10)15,40 (10,60-21,90)0,001
Albumin (g/l)42,00 (39,00–44,00)42,00 (39,00–45,00)NS
PSH (μmol/g of protein)4,10 (3,1-5,1)4,75 (3,65-5,6)0,001
MDA (μmol/l)1,80 (1,40-2,20)1,70 (1,40-2,10)0,05
MDA/PSH ratio0,435 (0,314-0,647)0,358 (0,269–0,527)0,001

TAC: total antioxidant capacity; TOS: total oxidant status; OSI: oxidative stress index; MDA: malondialdehyde; PSH: sulfhydryl groups; XOi: xanthine oxidase inhibitors; NS: nonsignificant.