| at a time | 6 | temporal |
| to months | 5 | temporal |
| without treatment | 4 | other |
| symptom → last → week | 25 |
| symptom → last → few weeks | 10 |
| symptom → last → few days | 3 |
| negative | neutral | positive |
| 0.461 | 0.491 | 0.047 |
| Raw frequency | 38 |
| Normalized frequency | 0.342 |
| Modifier score | 0.067 |
| Perplexity | 191.083 |