| under general or regional anaesthesia | 9 | other |
| before | 8 | temporal |
| more often | 4 | degree |
| adult → have → surgery | 18 |
| adult → undergo → surgery | 18 |
| adult → undergo → operation | 4 |
| adult → undergo → this surgery | 3 |
| adult → have → the surgery | 3 |
| negative | neutral | positive |
| 0.289 | 0.620 | 0.091 |
| Raw frequency | 46 |
| Normalized frequency | 0.489 |
| Modifier score | 0.700 |
| Perplexity | 345.912 |