| by sutures | 4 | other |
| more particularly | 3 | degree |
| on the expandable member | 3 | location |
| stent → be → secured | 8 |
| stent → be secured in → place | 5 |
| negative | neutral | positive |
| 0.034 | 0.815 | 0.150 |
| Raw frequency | 13 |
| Normalized frequency | 0.303 |
| Modifier score | 0.500 |
| Perplexity | 294.092 |