| to one of the authors | 4 | other |
| to cooperating physical therapists | 2 | transitive-object |
| patient → be → referred | 14 |
| patient → be referred for → therapy | 4 |
| patient → be referred for → treatment | 4 |
| negative | neutral | positive |
| 0.177 | 0.736 | 0.087 |
| Raw frequency | 22 |
| Normalized frequency | 0.543 |
| Modifier score | 0.775 |
| Perplexity | 72.580 |