| to the stent retaining area | 4 | location |
| before | 2 | temporal |
| by being continuous | 2 | manner |
| stent → be → attached | 13 |
| stent → be → engaged | 4 |
| stent → be → grasped | 4 |
| negative | neutral | positive |
| 0.101 | 0.859 | 0.040 |
| Raw frequency | 21 |
| Normalized frequency | 0.402 |
| Modifier score | 0.500 |
| Perplexity | 360.324 |