ILAE outcome scale (better)
Class 1 | Completely seizure free | No auras |
Class 2 | Only auras | No other seizures |
Class 3 | 1 to 3 seizure days per year | ± auras |
Class 4 | 4 seizure days per year to 50% reduction of baseline seizure days | ± auras |
Class 5 | Less than 50% reduction of baseline seizure days | ± auras |
Class 6 | More than 100% increase of baseline seizure days | ± auras |
- Auras
- Strange taste/smell
- Deja-vu, Jamais-vu
- Fear
- Ascending unusual feeling
- Sensory changes
Engel outcome scale
Class I: Free of disabling seizures
- IA: Completely seizure-free since surgery
- IB: Non disabling simple partial seizures only since surgery
- IC: Some disabling seizures after surgery, but free of disabling seizures for at least 2 years
- ID: Generalized convulsions with antiepileptic drug withdrawal only
Class II: Rare disabling seizures (“almost seizure-free”)
- IIA: Initially free of disabling seizures but has rare seizures now
- IIB: Rare disabling seizures since surgery
- IIC: More than rare disabling seizures after surgery, but rare seizures for at least 2 years
- IID: Nocturnal seizures only
Class III: Worthwhile improvement
- IIIA: Worthwhile seizure reduction
- IIIB: Prolonged seizure-free intervals amounting to greater than half the follow-up period, but not less than 2 years
Class IV: No worthwhile improvement
- IVA: Significant seizure reduction
- IVB: No appreciable change
- IVC: Seizures worse
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