| Typicality: | 0.466 |
| Saliency: | 0.430 |
| to remove bone | 16 | purpose |
| in the field of endovascular neurosurgery | 9 | other |
| to take tubes | 9 | purpose |
| surgeon → use → special tools | 28 |
| surgeon → use → specialized tools | 14 |
| surgeon → use → special tool | 4 |
| surgeon → use → specialised tools | 3 |
| negative | neutral | positive |
| 0.104 | 0.817 | 0.079 |
| Raw frequency | 49 |
| Normalized frequency | 0.430 |
| Modifier score | 0.600 |
| Perplexity | 438.359 |