| very | 24 | degree |
| particularly | 20 | degree |
| often | 19 | degree |
| symptom → be → severe | 489 |
| symptom → occur → severe | 4 |
| symptom → appear → severe | 3 |
| negative | neutral | positive |
| 0.607 | 0.348 | 0.045 |
| Raw frequency | 496 |
| Normalized frequency | 0.929 |
| Modifier score | 0.570 |
| Perplexity | 29.268 |