Table 6. Ablation results of X-TLRABiLSTM model components.
| Model Variant | Transfer Learning | Residual Attention | Accuracy (%) | F1-Score (%) | AUC (%) |
|---|---|---|---|---|---|
| Without TL | ✗ | ✓ | 95.6 | 95.2 | 96.8 |
| Without RA | ✓ | ✗ | 96.1 | 95.8 | 97.2 |
| Without TL & RA | ✗ | ✗ | 93.7 | 93.1 | 95.4 |
| Full Model (X-TLRABiLSTM) | ✓ | ✓ | 98.2 | 98.1 | 99.1 |