| from the patient | 67 | other |
| from the vessel | 27 | other |
| proximally | 24 | manner |
| catheter → be → withdrawn | 488 |
| catheter → be withdrawn with → respect | 3 |
| negative | neutral | positive |
| 0.153 | 0.808 | 0.039 |
| Raw frequency | 491 |
| Normalized frequency | 0.848 |
| Modifier score | 1.000 |
| Perplexity | 188.301 |