| to surgeons | 2 | transitive-object |
| patient → need → procedure | 7 |
| patient → require → this procedure | 4 |
| patient → need → this procedure | 3 |
| patient → need → the procedure | 3 |
| negative | neutral | positive |
| 0.225 | 0.627 | 0.148 |
| Raw frequency | 17 |
| Normalized frequency | 0.321 |
| Modifier score | 0.700 |
| Perplexity | 71.725 |