| greatly | 8 | degree |
| from person | 6 | other |
| from mild to severe | 6 | other |
| symptom → can → vary | 18 |
| symptom → be → varied | 10 |
| symptom → can → range | 7 |
| symptom → vary in → severity | 5 |
| negative | neutral | positive |
| 0.627 | 0.343 | 0.030 |
| Raw frequency | 40 |
| Normalized frequency | 0.941 |
| Modifier score | 0.600 |
| Perplexity | 17.039 |