| often | 3 | degree |
| such as weight loss | 3 | other |
| beyond the mouth | 2 | other |
| symptom → be → systemic | 14 |
| symptom → become → systemic | 3 |
| negative | neutral | positive |
| 0.520 | 0.420 | 0.060 |
| Raw frequency | 17 |
| Normalized frequency | 0.234 |
| Modifier score | 0.700 |
| Perplexity | 60.141 |