| suddenly | 10 | manner |
| within a few hours | 10 | temporal |
| as early as young adulthood | 8 | temporal |
| symptom → can → begin | 51 |
| symptom → can → start | 40 |
| symptom → be → started | 3 |
| negative | neutral | positive |
| 0.528 | 0.447 | 0.025 |
| Raw frequency | 94 |
| Normalized frequency | 0.464 |
| Modifier score | 0.780 |
| Perplexity | 98.435 |