Premonitory Phase, % (N) | Headache Phase, % (N) | Postdromal Phase, % (N) | |
---|---|---|---|
Duration of phase | |||
< 4 h | 50% (5676) | 20% (2280) | 30% (3419) |
4–24 h | 30% (3312) | 45% (5067) | 40% (4516) |
> 24 h | 14% (1622) | 34% (3835) | 27% (3006) |
Not experiencing this phase | 6% (656) | 1% (84) | 3% (325) |
Proportion of individuals in each preventive treatment group reporting the duration of this migraine attack phase > 24 h: | |||
- No failure to migraine preventive treatment | 11% (250) | 27% (599) | 20% (436) |
- 1 TF of migraine preventive treatment | 11% (103) | 29% (282) | 23% (218) |
- ≥2 TFs of migraine preventive treatment | 17% (1114) | 38% (2539) | 31% (2048) |
- P-value: ≥2 failures vs no failure of migraine preventative treatment | < 0.05 | < 0.05 | < 0.05 |
Feeling very to extremely limited during the phase | 29% (3047) | 71% (8023) | 30% (3291) |