| Typicality: | 0.409 |
| Saliency: | 0.275 |
| in the chronic form | 3 | other |
| symptom → last → more than 3 months | 5 |
| symptom → persist for → 3 months | 4 |
| symptom → last for → more than three months | 4 |
| symptom → last for → at least three months | 4 |
| symptom → last → more than three months | 3 |
| symptom → persist for → more than three months | 3 |
| negative | neutral | positive |
| 0.627 | 0.352 | 0.021 |
| Raw frequency | 23 |
| Normalized frequency | 0.275 |
| Modifier score | 0.900 |
| Perplexity | 21.350 |