| from mild to severe | 12 | other |
| widely | 3 | degree |
| greatly | 2 | degree |
| symptom → can → range | 21 |
| symptom → vary in → severity | 6 |
| symptom → range in → severity | 4 |
| symptom → vary → severe | 3 |
| negative | neutral | positive |
| 0.599 | 0.373 | 0.028 |
| Raw frequency | 34 |
| Normalized frequency | 0.857 |
| Modifier score | 0.500 |
| Perplexity | 56.660 |