| usually | 4 | degree |
| problem → be related to → knee | 13 |
| problem → occur in → knee | 8 |
| problem → be → knee | 7 |
| problem → be associated with → knee | 6 |
| problem → involve → knee | 5 |
| problem → include → knee | 5 |
| problem → involve → the knee | 3 |
| problem → be focused on → knee | 3 |
| problem → relate to → knee | 3 |
| negative | neutral | positive |
| 0.528 | 0.354 | 0.117 |
| Raw frequency | 53 |
| Normalized frequency | 0.339 |
| Modifier score | 0.818 |
| Perplexity | 160.155 |