| from the mother | 9 | other |
| by having three copies of chromosome | 5 | cause |
| sometimes | 4 | temporal |
| syndrome → be → caused | 29 |
| syndrome → can → originate | 4 |
| syndrome → be → cause | 3 |
| negative | neutral | positive |
| 0.656 | 0.330 | 0.014 |
| Raw frequency | 36 |
| Normalized frequency | 0.580 |
| Modifier score | 0.675 |
| Perplexity | 418.534 |