Table 2 Additional proportion of variability of the three components that contributed to total pain burden at baseline
Additional proportion of variability that contributed to total pain burden at baselinea | Episodic migraineb | Chronic migrainec |
|---|---|---|
Frequency of monthly migraine headache days | 22.6% | 13.2% |
Duration (hours per migraine headache days) | 57.4% | 61.1% |
Severity of remaining migraine headache days | 4.9% | 4.8% |