| preferably | 11 | degree |
| usually | 4 | temporal |
| in one non-limiting embodiment | 3 | other |
| stent → be made of → nitinol | 26 |
| stent → be formed of → nitinol | 8 |
| stent → be made from → single tube of nitinol | 4 |
| stent → be composed of → nitinol | 4 |
| negative | neutral | positive |
| 0.072 | 0.839 | 0.089 |
| Raw frequency | 42 |
| Normalized frequency | 0.545 |
| Modifier score | 0.850 |
| Perplexity | 45.083 |