| over time | 15 | temporal |
| without treatment | 11 | other |
| usually | 11 | degree |
| symptom → be → constant | 111 |
| symptom → become → constant | 28 |
| symptom → occur → constant | 4 |
| symptom → come → constant | 3 |
| symptom → go → constant | 3 |
| negative | neutral | positive |
| 0.516 | 0.454 | 0.030 |
| Raw frequency | 149 |
| Normalized frequency | 0.526 |
| Modifier score | 0.700 |
| Perplexity | 44.520 |