| during the entire ultrafiltration treatment | 5 | temporal |
| patient → be in → the icu | 12 |
| patient → be hospitalized in → icu | 8 |
| patient → be in → icu | 8 |
| negative | neutral | positive |
| 0.352 | 0.526 | 0.122 |
| Raw frequency | 28 |
| Normalized frequency | 0.447 |
| Modifier score | 0.500 |
| Perplexity | 22.863 |