| from three sources | 7 | other |
| from 38 patients | 3 | other |
| from local hospital ethics committees | 3 | other |
| subject → be → obtained | 31 |
| negative | neutral | positive |
| 0.085 | 0.842 | 0.073 |
| Raw frequency | 31 |
| Normalized frequency | 0.304 |
| Modifier score | 1.000 |
| Perplexity | 236.551 |