| medically | 5 | degree |
| carefully | 4 | manner |
| in order to enrol 143 cases | 3 | purpose |
| subject → be → screened | 48 |
| subject → be screened for → participation | 3 |
| negative | neutral | positive |
| 0.131 | 0.804 | 0.065 |
| Raw frequency | 51 |
| Normalized frequency | 0.369 |
| Modifier score | 0.980 |
| Perplexity | 110.852 |