| with no clear family history | 9 | other |
| usually | 6 | degree |
| so far | 6 | degree |
| case → be → sporadic | 96 |
| case → be considered → sporadic | 5 |
| negative | neutral | positive |
| 0.289 | 0.669 | 0.041 |
| Raw frequency | 101 |
| Normalized frequency | 0.458 |
| Modifier score | 0.888 |
| Perplexity | 80.648 |