| previously | 4 | temporal |
| often | 4 | temporal |
| at the same time | 3 | temporal |
| patient → had → facelift | 16 |
| patient → undergo → facelift | 13 |
| patient → have → facelift | 10 |
| patient → had → previous facelift | 4 |
| patient → undergone → facelift | 3 |
| negative | neutral | positive |
| 0.136 | 0.453 | 0.411 |
| Raw frequency | 46 |
| Normalized frequency | 0.505 |
| Modifier score | 0.733 |
| Perplexity | 40.637 |