| often | 23 | temporal |
| elsewhere in the body | 8 | location |
| in some mild cases | 6 | other |
| condition → cause → symptom | 150 |
| condition → explain → symptom | 5 |
| condition → cause → this symptom | 4 |
| negative | neutral | positive |
| 0.556 | 0.410 | 0.035 |
| Raw frequency | 159 |
| Normalized frequency | 0.512 |
| Modifier score | 0.608 |
| Perplexity | 175.376 |