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