| Typicality: | 0.611 |
| Saliency: | 0.845 |
| after preoxygenation | 6 | temporal |
| alongwith an epidural block | 5 | other |
| intravenously | 4 | manner |
| anesthesia → be induced with → fentanyl | 45 |
| anesthesia → be maintained with → fentanyl | 22 |
| anesthesia → use → fentanyl | 4 |
| anesthesia → maintain with → fentanyl | 4 |
| anesthesia → be maintained with → intravenous fentanyl | 3 |
| negative | neutral | positive |
| 0.249 | 0.710 | 0.041 |
| Raw frequency | 78 |
| Normalized frequency | 0.845 |
| Modifier score | 0.500 |
| Perplexity | 94.652 |