| to repair torn ligaments | 10 | purpose |
| rarely | 7 | degree |
| during recovery | 3 | temporal |
| sprain → require → surgery | 29 |
| sprain → need → surgery | 5 |
| negative | neutral | positive |
| 0.523 | 0.431 | 0.045 |
| Raw frequency | 34 |
| Normalized frequency | 0.592 |
| Modifier score | 0.586 |
| Perplexity | 55.722 |