| with an approved treatment | 4 | other |
| regardless of apparent similarities | 3 | other |
| directly | 3 | manner |
| trial → be → compared | 15 |
| trial → involve → comparison | 3 |
| trial → be → comparison | 3 |
| negative | neutral | positive |
| 0.185 | 0.725 | 0.090 |
| Raw frequency | 21 |
| Normalized frequency | 0.312 |
| Modifier score | 0.250 |
| Perplexity | 74.960 |