Table 2. Prolidase activity, nitric oxide, and oxidant/antioxidant levels in esophageal squamous cell carcinoma patients and controls.
Patients (n=30) | Controls (n=30) | ||
Parameters | Mean±SD | Mean±SD | p |
TAC (mmol trolox equiv./L) | 4.2±0.0 | 9.7±0.6 | 0,05 |
TOS (µmol H2O2 equiv./L) | 20.2±4.4 | 8.6±2.5 | 0,05 |
OSI (arbitrary unit) | 4.9±1.1 | 0.9±0.2 | 0,05 |
NO (µmol/L) | 20.5±3.9 | 9.7±0.3 | 0,05 |
Prolidase (U/L) | 44.9±4.6 | 24.2±3.5 | 0,05 |
SD: Standard deviation; TAC: Total antioxidant capacity; mmol Trolox Equiv./L: mM Trolox equivalent per liter; TOS: Total oxidant status; H2O2: Hydrogen peroxide; OSI: Oxidative stress index; NO: Nitric oxide. |