2 Only auras; no other seizures

 

3 One to three seizure days per year; ± auras

 

4 Four seizure days per year to 50% reduction of baseline seizure days; ± auras

 

5 Less than 50% reduction of baseline seizure days to 100% increase of baseline seizure days; ± auras 

 

6 More than 100% increase of baseline seizure days;± auras