| from artery | 7 | location |
| such a long distance | 3 | other |
| distally | 2 | degree |
| catheter → be → threaded | 14 |
| catheter → be threaded through → the tube | 3 |
| negative | neutral | positive |
| 0.201 | 0.762 | 0.036 |
| Raw frequency | 17 |
| Normalized frequency | 0.288 |
| Modifier score | 0.500 |
| Perplexity | 247.626 |