Table 3.
Comparison between various antioxidant/oxidan status and trace elements in different stages of breast cancer by ANOVA. Data are expressed as Mean±SEM
| Variable | Stage I | Stage II | Stage III | Stage IV | P-value |
|---|---|---|---|---|---|
| FRAP (µmol/L) | 551.3±2.9 | 651.2±17.2 | 612.3±29.6 | 693.3±66.4 | 0.195 |
| TBARS(µmol/L) | 1.97±0.26 | 2.08±0.05 | 2.07±0.04 | 2.29±0.13 | 0.361 |
| CAT (pg/ml) | 1180.6±131.9 | 771.1±78.3 | 988.4±126.4 | 617.6±264.5 | 0.174 |
| GPX (µIU/ml) | 246.2± 90.0 | 93.5±18.1 | 127.9±34.5 | 43.6±8.4 | 0.098 |
| SOD (pg/ml) | 412.9±162.3 | 254.7±80.5 | 408.7±124.3 | 80.3±51.0 | 0.492 |
| Cu (ppm) | 1.5±0.25 | 1.2±0.05 | 1.3±0.07 | 1.3±0.30 | 0.459 |
| Mn (ppb) | 25.7±2.7 | 24.3±3.5 | 30.1±2.9 | 31.4±12.2 | 0.633 |
FRAP: ferric reducing antioxidant power, TBARS: thiobarbituric acid reactive substances, CAT: catalase, SOD: superoxide dismutase, GPX: glutathione peroxidase