| in some cases | 15 | temporal |
| to confirm the diagnosis | 14 | purpose |
| often | 12 | temporal |
| doctor → order → mri | 283 |
| doctor → order → the mri | 11 |
| doctor → be ordered → mri | 4 |
| doctor → ordered → mri | 4 |
| negative | neutral | positive |
| 0.221 | 0.731 | 0.047 |
| Raw frequency | 302 |
| Normalized frequency | 0.704 |
| Modifier score | 0.636 |
| Perplexity | 37.679 |