| suddenly | 13 | manner |
| in worsening the existing problem | 7 | temporal |
| within 2 hours | 5 | temporal |
| symptom → can → occur | 43 |
| symptom → can → appear | 34 |
| symptom → can → result | 8 |
| symptom → be → possible | 6 |
| symptom → can → happen | 5 |
| symptom → can → arise | 4 |
| negative | neutral | positive |
| 0.622 | 0.349 | 0.029 |
| Raw frequency | 100 |
| Normalized frequency | 0.591 |
| Modifier score | 0.738 |
| Perplexity | 52.337 |