Table 3.
Concentration of selenium and parameters related to oxidative stress intensity and antioxidant reserves in blood and urine
| Low Se group n = 162 |
High Se group n = 162 |
Relative change (%) | p value | |||
|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | |||
| Se (μg/l) in serum | 57.9 | 8.62 | 90.1 | 15.6 | 56 | <0.001 |
| TAC (mmol/l) in serum | 0.90 | 0.14 | 0.92 | 0.13 | 3 | 0.123 |
| TOS (μmol/l) in serum | 13.4 | 15.1 | 12.0 | 6.50 | −11 | 0.268 |
| LPH (μmol/l) in serum | 4.47 | 6.07 | 4.93 | 3.13 | 10 | 0.400 |
| MDA (μmol/l) in serum | 2.48 | 1.06 | 2.39 | 1.09 | −3 | 0.469 |
| 8OHdG (ng/g creatinine) in urine | 13.3 | 11.73 | 11.0 | 7.23 | −17 | 0.039 |
| LPS (RF/dl) in erythrocytes | 19.2 | 9.60 | 15.6 | 9.49 | −19 | <0.001 |
| GPx (U/gHb) in erythrocytes | 51.2 | 27.37 | 62.9 | 26.8 | 23 | <0.001 |
| GR (U/g Hb) in erythrocytes | 4.59 | 1.94 | 4.51 | 1.63 | −2 | 0.671 |
| CAT (kU/g Hb) in erythrocytes | 435 | 59.0 | 450 | 57.4 | 3 | 0.023 |
| SOD (NU/mg Hb) in erythrocytes | 10.6 | 2.68 | 9.40 | 2.37 | −11 | <0.001 |
| GSH (μmol/g Hb) in erythrocytes | 3.44 | 1.09 | 3.75 | 1.16 | 9 | 0.006 |