| Typicality: | 0.382 |
| Saliency: | 0.451 |
| often | 10 | temporal |
| very | 9 | degree |
| unfortunately | 4 | manner |
| symptom → be difficult to → detect | 28 |
| symptom → be difficult to → notice | 16 |
| symptom → be difficult to → spot | 16 |
| symptom → be hard to → detect | 10 |
| symptom → be hard to → spot | 8 |
| symptom → be not easy to → spot | 4 |
| symptom → be hard to → notice | 3 |
| negative | neutral | positive |
| 0.743 | 0.240 | 0.018 |
| Raw frequency | 85 |
| Normalized frequency | 0.451 |
| Modifier score | 0.585 |
| Perplexity | 13.308 |