Research Article

The Effect of the Hydroalcoholic Extract of Watercress on the Levels of Protein Carbonyl, Inflammatory Markers, and Vitamin E in Chronic Hemodialysis Patients

Table 2

Comparison of changes in the oxidant-antioxidant parameters and inflammatory markers during the study period between the intervention and control groups.

VariableBaselineAfter 4 weeks valueNet differences of groups value

PCOControl22.19 ± 4.2626.46 ± 7.720.0224.26 ± 8.280.001
Intervention20.33 ± 4.4015.06 ± 6.410.006−5.26 ± 8.34
NOControl9.12 ± 5.8814.25 ± 9.410.0605.12 ± 11.970.525
Intervention12.25 ± 7.6615.00 ± 12.100.3122.75 ± 11.46
hs-CRPControl10508.52 ± 5479.989104.60 ± 4901.670.142−1403.91 ± 4425.170.785
Intervention8953.30 ± 5588.067249.86 ± 5091.620.007−1703.43 ± 2770.61
TNF-αControl15.95 (15.17, 16.66)15.87 (14.75, 16.22)0.330−11.00 (−2.30, 0.59)0.276
Intervention15.96 (15.16, 16.66)15.94 (15.44, 16.53)0.6150.37 (−1.31, 1.28)
IL-6Control58.24 (55.19, 61.12)56.57 (53.05, 62.63)0.738−2.66 (−7.21, 12.42)0.196
Intervention60.10 (55.99, 73.10)55.21 (53.39, 60.48)0.050−7.27 (−21.33, 1.96)
Vit EControl740.00 ± 104.12594.07 ± 86.910.001−145.92 ± 157.840.218
Intervention703.05 ± 73.91607.86 ± 69.220.001−95.18 ± 102.56

Values are mean ± SD for the data with normal distribution and median (interquartile ranges) for the data not normally distributed. PCO: protein carbonyl; NO metabolite: nitric oxide metabolite; hs-CRP: high-sensitivity C-reactive protein; IL-6: interleukin-6; TNF-α: tumor necrosis factor-α; Vit E: vitamin E.