| Typicality: | 0.359 |
| Saliency: | 0.323 |
| often | 7 | temporal |
| symptom → be difficult to → diagnose | 27 |
| symptom → be hard to → diagnose | 6 |
| negative | neutral | positive |
| 0.760 | 0.225 | 0.015 |
| Raw frequency | 33 |
| Normalized frequency | 0.323 |
| Modifier score | 0.680 |
| Perplexity | 11.034 |