| from the catheter | 60 | other |
| immediately | 47 | manner |
| from the patient | 40 | other |
| needle → be → removed | 1144 |
| needle → be → withdrawn | 546 |
| negative | neutral | positive |
| 0.171 | 0.760 | 0.069 |
| Raw frequency | 1690 |
| Normalized frequency | 0.980 |
| Modifier score | 0.900 |
| Perplexity | 173.781 |