| within the vessel | 8 | location |
| therein | 3 | location |
| typically | 2 | degree |
| catheter → be → occlusive | 5 |
| catheter → be → occluded | 5 |
| catheter → have → occlusive device | 4 |
| catheter → have → the occlusion device | 3 |
| negative | neutral | positive |
| 0.291 | 0.681 | 0.027 |
| Raw frequency | 17 |
| Normalized frequency | 0.288 |
| Modifier score | 0.750 |
| Perplexity | 64.209 |