| in nature | 9 | location |
| frequently | 4 | degree |
| partly | 2 | degree |
| problem → be → medical | 45 |
| problem → be → medical problems | 3 |
| problem → be → medical one | 3 |
| negative | neutral | positive |
| 0.381 | 0.496 | 0.123 |
| Raw frequency | 51 |
| Normalized frequency | 0.334 |
| Modifier score | 0.775 |
| Perplexity | 203.136 |