Table 4

Testing of selected sets of diagnostic criteria for migraine with aura (training sample, n = 200)

Set of criteria		Sensitivity (n = 141)*			Specificity (n = 59)†
Set of criteria		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 all of the following three characteristics:
Homonymous visual symptoms‡	}
Visual symptom develops gradually over ⩾5 minutes		65	46	38% to 54%	59	100	98% to 100%
Visual symptom lasts ⩾5 minutes and ⩽60 minutes
Aura fulfils all of the following three characteristics:
Homonymous or bilateral visual symptoms	}
Visual symptom develops gradually over ⩾5 minutes		100	71	63% to 78%	59	100	98% to 100%
Visual symptom lasts ⩾5 minutes and ⩽60 minutes
Aura fulfills the following characteristic:
Homonymous visual symptoms	}
and at least one of the following two characteristics:		88	62	54% to 70%	56	95	89% to 100%
Visual symptom develops gradually over ⩾5 minutes
Visual symptom lasts ⩾5 minutes and ⩽60 minutes
Aura fulfils the following characteristic:
Homonymous or bilateral visual symptoms	}
and at least one of the following two characteristics:		139	99	97% to 100%	45	76	65% to 87%
Visual symptom develops gradually over ⩾5 minutes
Visual symptom lasts ⩾5 minutes and ⩽60 minutes
Aura fulfils at least two of the following three characteristics:
Homonymous visual symptoms	}
Visual symptom develops gradually over ⩾5 minutes		118	84	79% to 89%	57	97	95% to 99%
Visual symptom lasts ⩾5 minutes and ⩽60 minutes