Table 3.
Performance results of AR models obtained to estimate antioxidant-oxidant parameters.
| Model Statistics |
|||||||||
|---|---|---|---|---|---|---|---|---|---|
| Model | Number of Predictors | R2 (%) | RMSE | MAPE | MAE | Max APE | Normalized BIC | Ljung-Box Q (sig.) | Number of Outliers |
| Dissulfide/Native Thiol | 5 | 64.4 | 1.84 | 7.56 | 1.16 | 13.86 | 2.57 | 0.14 | 1 |
| Dissulfide | 5 | 41.8 | 5.4 | 6.45 | 3.65 | 18.08 | 4.5 | 0.95 | 0 |
| Dissulfide /Total Thiol | 5 | 52.3 | 1.50 | 7.8 | 0.98 | 14.20 | 1.85 | 0.91 | 0 |
| GPx | 5 | 61.9 | 3.6 | 8.6 | 7.06 | 17.9 | 3.5 | 0.38 | 0 |
| GSH | 5 | 57.1 | 2.16 | 13.5 | 6.8 | 16.2 | 2.7 | 0.74 | 0 |
| MDA | 5 | 62.1 | 3.65 | 12.02 | 5.68 | 19.68 | 3.5 | 0.35 | 1 |
| Native Thiol | 5 | 59.7 | 9.02 | 9.8 | 12.9 | 18.6 | 6.71 | 0.65 | 1 |
| Native Thiol/Total Thiol | 5 | 78.4 | 2.3 | 1.4 | 1.2 | 4.35 | 3.4 | 0.84 | 0 |
| 8-OHdG/106 dG | 5 | 58.8 | 1.2 | 11.8 | 0.81 | 16.14 | 1.5 | 0.08 | 0 |
| SOD | 5 | 64.3 | 1.8 | 4.3 | 1.1 | 14.7 | 2.15 | 0.61 | 1 |
| Total Thiol | 5 | 63.8 | 8.9 | 7.3 | 5.6 | 9.84 | 3.11 | 0.96 | 1 |
SOD: Superoxide dismutase; GPx: Glutathione peroxidase; GSH: Reduced glutathione; MDA: Malondialdehyde; 8-OHdG: 8-hydroxy-2-deoxy guanosine; MAPE: Mean absolute percent error; MAE: Mean absolute error; Max APE: Maximum absolute percent error; RMSE: Root mean square error; BIC: Bayesian information criterion; R2: Coefficient of determination.