| due to arthritis | 9 | cause |
| severely | 5 | degree |
| to the knee | 5 | other |
| knee → be → damaged | 56 |
| knee → become → damaged | 15 |
| knee → cause → damage | 6 |
| knee → get → damaged | 6 |
| knee → be → damage | 4 |
| knee → gets → damaged | 3 |
| knee → suffer → damage | 3 |
| negative | neutral | positive |
| 0.683 | 0.273 | 0.044 |
| Raw frequency | 93 |
| Normalized frequency | 0.598 |
| Modifier score | 0.750 |
| Perplexity | 182.859 |