Validation of accepted diagnostic criteria for migraine with aura (validation sample, n = 274)
| Set of criteria | Sensitivity (n = 221)* | Specificity (n = 53)† | |||||
|---|---|---|---|---|---|---|---|
| n | % | 95% CI | n | % | 95% CI | ||
| *Patients with migraine with aura. The sensitivity is the proportion of patients fulfilling the selected set of diagnostic criteria. | |||||||
| †Patients with non-aura reversible visual disturbances. The specificity is the proportion of patients not fulfilling the selected set of diagnostic criteria. | |||||||
| ‡Homonymous: in one side of the visual field. | |||||||
| Aura fulfils at least two of the following three characteristics: | |||||||
| Homonymous‡ visual symptoms and/or unilateral sensory symptoms | } | ||||||
| At least one aura symptom develops gradually over ⩾5 minutes and/or different symptoms occur in succession over ⩾5 minutes | 199 | 90 | 86% to 94% | 51 | 96 | 91% to 100% | |
| Each symptom lasts ⩾5 minutes and ⩽60 minutes | |||||||