| very | 89 | degree |
| to other diseases | 31 | other |
| to other conditions | 25 | other |
| symptom → be → common | 556 |
| symptom → be → common ones | 11 |
| symptom → be → common symptoms | 7 |
| symptom → seem → common | 4 |
| symptom → have → common cause | 3 |
| negative | neutral | positive |
| 0.594 | 0.359 | 0.047 |
| Raw frequency | 581 |
| Normalized frequency | 0.710 |
| Modifier score | 0.628 |
| Perplexity | 18.914 |