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Table 3 Oxidative stress parameters in the breast cancer cases and controls

From: Lipid peroxidation and glutathione peroxidase activity relationship in breast cancer depends on functional polymorphism of GPX1

Parameter Cases (n = 136) Controls (n = 183) p a (vs controls)
GPx1 activity [U/g Hb] 22.3 ± 5.5 (11.1–35.0) 20.5 ± 4.7 (10.7–29.7) 0.0036
GPx3 activity [U/mL] 0.189 ± 0.037 (0.108–0.308) 0.191 ± 0.032 (0.125–0.297) 0.7491
SOD1 activity [U/mg Hb] 6.84 ± 1.24 (4.48–11.53) 6.90 ± 1.52 (3.03–10.91) 0.8590
Cp activity [g/L] 0.58 ± 0.18 (0.13–1.05) 0.66 ± 0.21 (0.31–1.75) 0.0005
TBARS concentration [μmol/L] 2.62 ± 0.96 (1.01–5.27) 2.24 ± 0.83 (1.00–5.90) 0.0003
Se concentration [μg/L] 55.2 ± 14.7 (23.2–99.9) 57.0 ± 11.8 (29.1–97.7) 0.1791
  1. Data expressed as mean ± standard deviation and (range). Significant p values are presented in bold
  2. athe Mann–Whitney test