RRs and ORRs at the end of the follow-up period
| Topiramate | Lamotrigine | P value (<0.05) | |
| RRs | |||
| Aura frequency | 19/24 (79%) | 23/26 (88%) | 0.37 |
| Aura duration | 13/24 (54%) | 22/26 (73%) | 0.16 |
| Migraine frequency | 20/23 (87%) | 17/26 (85%) | 0.81 |
| ORRs | |||
| Aura | 9/24 (37%) | 13/26 (50%) | 0.37 |
| Migraine | 3/23 (13%) | 7/26 (27%) | 0.22 |
ORRs, optimal responder rates; RRs, responder rates.