Table 3.

Sub-group analysis

	Group A patients diagnosed with TIA; n = 78	Group B patients diagnosed with migraine with aura; n = 4	Group C patients fulfilling ICHD-3 criteria for migraine with aura for one or more attacks, but receiving a final diagnosis of a TIA (“migraine with aura false positives”); n = 17
Age (± standard deviation)	70.9 (± 12.7) years	51.5 ± 12.1 years	69.9 ± 14.5 years
Number of female patients	38 (48.7%)	3 (75%)	11 (64.7%)
Number of patients with arterial hypertension	52 (66.6%)	2 (50%)	11 (64.7%)
Number of patients with hypercholesterinemia	45 (57.7%)	3 (75%)	9 (52.9%)
Number of patients with atrial fibrillation (including new diagnoses)	15 (19.2%), 1 newly diagnosed	1 (25%), none newly diagnosed	2 (11.8%), none newly diagnosed
Number of patients with carotid artery plaque or stenosis	18 (23.1%)	1 (25%)	7 (41.2%)
Number of patients with prior stroke found in MRI	9 (11.5%)	0	3 (17.6%)