Table 1 Symptom and disability burdens arising from migraine at individual and population levels

Mean intensity of attack (on scale 0-3)

2.7

Mean attack frequency (per month)

3.4

Mean duration of attack (hr)

36.4

Mean time in ictal state (% of total time)

10.0

Disability weight (from GBD2010)

0.433

Mean disability per person with migraine (%)

4.3

Prevalence (adults aged 18-65 yr) (%)

22.9

Disability in entire 18-65 yr-old population (%)

0.98