| often | 24 | degree |
| in nature | 18 | location |
| unfortunately | 9 | manner |
| symptom → be → chronic | 218 |
| symptom → become → chronic | 104 |
| symptom → include → chronic | 19 |
| symptom → begin in → chronic forms | 5 |
| symptom → include for → chronic | 4 |
| symptom → have → chronic | 3 |
| negative | neutral | positive |
| 0.637 | 0.334 | 0.029 |
| Raw frequency | 353 |
| Normalized frequency | 0.643 |
| Modifier score | 0.705 |
| Perplexity | 225.144 |