| as soon as | 11 | manner |
| within a few hours | 10 | temporal |
| suddenly | 9 | manner |
| symptom → can → appear | 33 |
| symptom → can → develop | 21 |
| symptom → can → emerge | 6 |
| symptom → can → arise | 5 |
| symptom → could → appear | 5 |
| symptom → can → manifest | 4 |
| symptom → can → surface | 3 |
| negative | neutral | positive |
| 0.579 | 0.395 | 0.026 |
| Raw frequency | 77 |
| Normalized frequency | 0.590 |
| Modifier score | 0.560 |
| Perplexity | 107.169 |