| more significantly | 5 | degree |
| than in the sodium valproate group | 4 | other |
| vomiting → be → frequent | 16 |
| vomiting → be → profuse | 3 |
| negative | neutral | positive |
| 0.769 | 0.212 | 0.019 |
| Raw frequency | 19 |
| Normalized frequency | 0.483 |
| Modifier score | 0.600 |
| Perplexity | 433.293 |