| in patients | 12 | location |
| particularly | 10 | degree |
| very | 8 | degree |
| agent → be → useful | 104 |
| agent → be → most useful | 7 |
| agent → prove → useful | 3 |
| negative | neutral | positive |
| 0.037 | 0.422 | 0.541 |
| Raw frequency | 114 |
| Normalized frequency | 0.598 |
| Modifier score | 0.500 |
| Perplexity | 182.381 |