Table 1 Patient characteristics. Univariate analysis for the cohort stratified by posterior circulation TIA/stroke status
Variable | Total cohort (n = 1216) | Non-stroke (n = 1116) | Posterior circulation TIA/Stroke (n = 100) | p-value |
|---|---|---|---|---|
Age (mean years (SD)) | 56 (19) | 55 (19) | 67 (15) | <0.0001 |
Sex (n (% male)) | 508 (42 %) | 453 (41 %) | 55 (55 %) | 0.005 |
Race (n (% black)) | 374 (31 %) | 351 (31 %) | 23 (23 %) | 0.079 |
Systolic blood pressure (mean mmHg (SD)) | 137 (26) | 135 (25) | 161 (26) | <0.0001 |
Vascular Risk Factors (n (%)) | ||||
Coronary artery disease | 198 (16 %) | 178 (16 %) | 20 (20 %) | 0.293 |
Diabetes | 318 (26 %) | 284 (25 %) | 34 (34 %) | 0.062 |
Hypertension | 769 (63 %) | 691 (62 %) | 78 (78 %) | 0.001 |
Hyperlipidemia | 495 (41 %) | 440 (39 %) | 55 (55 %) | 0.002 |
History of smoking | 608 (49 %) | 545 (49 %) | 63 (63 %) | 0.004 |
Neurologic Deficits (n (%)) | ||||
Dysarthria | 56 (5 %) | 14 (1 %) | 42 (42 %) | <0.0001 |
Diplopia | 108 (9 %) | 91 (8 %) | 17 (17 %) | 0.624 |
Facial droop | 56 (5 %) | 11 (<1 %) | 56 (56 %) | <0.0001 |
Unilateral symptomsa | 126 (10 %) | 56 (5 %) | 70 (70 %) | <0.0001 |