Table 4.
Comparison of levels of components of the antioxidant system in patients with AMD and controls. The bold font indicates p-values < 0.05, which were considered statistically significant.
| Antioxidant System Component | AMD Group | Control Group | p-Value * |
|---|---|---|---|
| Mean ± SD | Mean ± SD | ||
| SOD (RBC) [U/mg Hb] | 0.31 ± 0.23 | 0.33 ± 0.19 | 0.56 |
| Catalase (RBC) [U/mg Hb] | 0.33 ± 0.21 | 0.53 ± 0.24 | <0.0001 |
| GPx (RBC) [U/g Hb] | 0.05 ± 0.05 | 0.02 ± 0.01 | <0.0001 |
| R-GSSG (RBC) [U/g Hb] | 7.28 ± 5.73 | 5.55 ± 2.62 | 0.001 |
| GSH (RBC) [µmol/g Hb] | 6.18 ± 2.7 | 6.49 ± 1.95 | 0.13 |
| GSH transferase (RBC) [U/g Hb] | 0.02 ± 0.02 | 0.01 ± 0.01 | <0.0001 |
| SOD (PLT) [U/mg of protein] | 69.24 ± 145.07 | 29.07 ± 26.64 | 0.03 |
| Catalase (PLT) [U/mg of protein] | 28.31 ± 72.11 | 9.08 ± 17.91 | <0.0001 |
| GPx (PLT) [U/g of protein] | 4.26 ± 16.083 | 1.45 ± 1.99 | 0.002 |
| R-GSSG (PLT) [U/g of protein] | 1604.07 ± 5624.53 | 515.63 ± 528.46 | 0.04 |
| GSH (PLT) [µmol/g Hb] | 1964.62 ± 3398.87 | 1126.1 ± 2141.95 | 0.44 |
| GSH transferase (PLT) [U/g of protein] | 1.83 ± 3.92 | 1.06 ± 1.12 | 0.26 |
* Mann-Whitney test.