| outside your skin | 3 | location |
| catheter → have → tip | 22 |
| catheter → comprise → tip | 4 |
| catheter → have → a tip portion | 4 |
| catheter → be placed with → the tip | 3 |
| negative | neutral | positive |
| 0.075 | 0.875 | 0.049 |
| Raw frequency | 33 |
| Normalized frequency | 0.399 |
| Modifier score | 0.500 |
| Perplexity | 179.833 |