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Table 1 Comparison of main characteristics between transient ischemic attacks (TIA) and possible TIA patients

From: Short-term outcome of patients with possible transient ischemic attacks: a prospective study

  TIA Possible TIA  
(n = 258) (n = 109) P
Male gender 154 (59.7 %) 65 (59.6 %) 0.922
Median age (IQR) 68 (59–77) 62 (49–69) <0.001
Median time (days) between event and visit (IQR) 4.5 (2–7) 4 (2–7) 0.976
Hypertension 189 (73.5 %) 67 (61.5 %) 0.021
Diabetes 44 (17.1 %) 17 (15.6 %) 0.720
Dyslipidemia 121 (47.3 %) 49 (45 %) 0.685
Ischemic heart disease 25 (9.7 %) 10 (9.2 %) 0.878
Atrial fibrillation 23 (8.9 %) 1 (0.9 %) 0.005
Previous TIA 22 (8.5 %) 5 (4.6 %) 0.186
Previous stroke 6 (2.3 %) 6 (5.5 %) 0.194
Smoking    0.536
 Ever 174 (67.7 %) 80 (73.4 %)  
 Former 44 (17.1 %) 12 (11.0 %)  
 Current 39 (15.2 %) 17 (15.6 %)  
Acute onset 241 (93.4 %) 62 (56.9 %) <0.001
Motor symptoms 146 (56.6 %) 31 (28.4 %) <0.001
Aphasia 71 (27.7 %) 9 (8.3 %) <0.001
Dysarthria 41 (16.0 %) 15 (13.8 %) 0.584
Sensory symptoms 86 (33.3 %) 51 (46.8 %) 0.015
Positive symptoms 24 (9.3 %) 24 (22.2 %) 0.001
Duration (minutes) - Median (IQR) 30 (10–120) 30 (8–90) 0.087
ABCD2 score >4 185 (72 %) 36 (34.6 %) <0.001
Presumed vascular territory    <0.001
 Carotid 198 (76.7 %) 38 (35.2 %)  
 Vertebro-basilar 52 (20.2 %) 56 (51.9 %)  
 Undetermined 8 (3.1 %) 14 (13.0 %)  
TOAST Classification    0.009
 Large-vessel atherosclerosis 39 (15.1 %) 6 (5.5 %)  
 Cardioembolism 33 (12.8 %) 6 (5.5 %)  
 Small vessel occlusion (lacune) 46 (17.8 %) 18 (16.5 %)  
 Other determined etiology 8 (3.1 %) 2 (1.8 %)  
 Undetermined etiology (≥2 causes, negative or incomplete evaluation) 132 (52.3 %) 82 (75.3 %)