| often | 19 | temporal |
| in the morning | 17 | temporal |
| very | 12 | degree |
| joint → be → stiff | 228 |
| joint → be → stiffness | 6 |
| joint → have → stiffness | 3 |
| joint → present with → stiffness | 3 |
| joint → be accompanied by → stiffness | 3 |
| joint → include → stiffness | 3 |
| negative | neutral | positive |
| 0.489 | 0.411 | 0.100 |
| Raw frequency | 246 |
| Normalized frequency | 0.773 |
| Modifier score | 0.687 |
| Perplexity | 137.870 |