Table 7
The probability value for each of the antiepileptic drugs (AEDs) studied being significantly associated with greater than 10% VFD using the Kruskal-Wallis one way analysis of variance when comparing the three groups: patients currently on the AED, patients previously on the AED, and patients never on the AED, after eliminating all the patients with visual pathway abnormalities
| AED | Kruskal-Wallis | Asymmetrical significance |
| VGB | 9.952 | 0.007 |
| CBZ | 2.664 | 0.264 |
| PHT | 0.815 | 0.664 |
| CLB | 2.147 | 0.143 |
| GBP | 1.437 | 0.487 |
| TPR | 0.429 | 0.513 |
| PHB | 3.619 | 0.164 |
| VPA | 3.481 | 0.175 |
| DZM | 0.905 | 0.342 |
| LTG | 0.905 | 0.342 |
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VGB = vigabatrine, CBZ = carbamazepine, PHT = phenytoin, CLB = clobazam, GBP = gabapentin, TPR = topiramate, PHB = phenobarbitone, VPA = valproate, DZM = diazepam, LMG = lamotrigine.
