| in the first place | 4 | temporal |
| to obtain samples | 2 | purpose |
| ultimately | 2 | degree |
| patient → need → procedure | 20 |
| patient → require → procedure | 4 |
| patient → need → the procedure | 4 |
| negative | neutral | positive |
| 0.292 | 0.646 | 0.061 |
| Raw frequency | 28 |
| Normalized frequency | 0.392 |
| Modifier score | 0.575 |
| Perplexity | 329.021 |