| Typicality: | 0.545 |
| Saliency: | 0.690 |
| during the operation | 6 | temporal |
| after tracheal intubation | 3 | temporal |
| to maintain entropy values of 40–60 | 3 | purpose |
| anesthesia → be maintained with → oxygen | 36 |
| anesthesia → maintain with → oxygen | 4 |
| anesthesia → be maintained with → 40% oxygen | 3 |
| negative | neutral | positive |
| 0.077 | 0.852 | 0.072 |
| Raw frequency | 43 |
| Normalized frequency | 0.690 |
| Modifier score | 0.500 |
| Perplexity | 176.020 |