| Typicality: | 0.388 |
| Saliency: | 0.324 |
| within the surgical site | 5 | location |
| drain → prevent → fluid collection | 6 |
| drain → prevent → fluid | 5 |
| drain → prevent → fluid buildup | 4 |
| drain → prevent → other fluids | 3 |
| negative | neutral | positive |
| 0.280 | 0.685 | 0.036 |
| Raw frequency | 18 |
| Normalized frequency | 0.324 |
| Modifier score | 0.500 |
| Perplexity | 331.484 |