Table 1 Baseline characteristics of the study population.
From: Stroke prediction in patients presenting with isolated dizziness in the emergency department
Characteristics* | Total (n = 1239) | Normal (n = 1184) | Acute stroke (n = 55) | p value |
|---|---|---|---|---|
Age | 64.0 (56.0–72.0) | 64.0 (56.0–72.0) | 71.5 (62.0–76.8) | < 0.01 |
Male | 537 (43.3) | 507 (42.8) | 30 (54.5) | 0.09 |
Past illness | ||||
Hypertension | 531 (42.9) | 500 (42.2) | 31 (56.4) | 0.04 |
Diabetes mellitus | 198 (16.0) | 188 (15.9) | 10 (18.2) | 0.65 |
Hyperlipidemia | 265 (21.4) | 248 (20.9) | 17 (30.9) | 0.08 |
Coronary artery disease | 110 (8.8) | 106 (8.9) | 4 (7.3) | 0.67 |
Atrial fibrillation | 59 (4.8) | 52 (4.4) | 7 (12.7) | < 0.01 |
Chronic pulmonary disease | 31 (2.5) | 31 (2.6) | 0 (0.0) | 0.22 |
Malignancy | 141 (11.4) | 132 (11.1) | 9 (16.4) | 0.23 |
Cerebrovascular accident | 104 (8.3) | 92 (7.8) | 12 (21.8) | < 0.01 |
Chronic kidney disorder | 40 (3.2) | 39 (3.2) | 1 (1.8) | 0.55 |
Liver cirrhosis | 33 (2.7) | 30 (2.6) | 3 (5.4) | 0.19 |
Taken drugs | ||||
Aspirin | 148 (12.0) | 139 (11.8) | 9 (16.4) | 0.30 |
Clopidogrel | 92 (7.4) | 84 (7.1) | 7 (12.7) | 0.26 |
New oral anticoagulants | 30 (2.4) | 28 (2.4) | 2 (3.6) | 0.55 |
Warfarin | 19 (1.5) | 18 (1.5) | 1 (1.8) | 0.86 |
Symptoms | ||||
Non-whirling | 600 (48.4) | 565 (47.7) | 35 (63.6) | 0.02 |
Wax and wane | 325 (26.3) | 316 (26.8) | 9 (16.4) | 0.40 |
Continuous | 88 (7.1) | 86 (7.3) | 2 (3.6) | 0.31 |
Irrespective of head movement | 706 (57.0) | 666 (56.3) | 40 (72.7) | 0.02 |
Headache | 162 (13.1) | 156 (13.2) | 6 (10.9) | 0.62 |
Nausea and vomiting | 773 (62.4) | 739 (62.5) | 34 (61.8) | 0.92 |
Tinnitus | 130 (15.9) | 128 (16.4) | 2 (5.7) | 0.09 |
Within seconds | 20 (1.6) | 18 (1.5) | 2 (3.6) | 0.22 |
Within minutes | 120 (9.7) | 115 (9.7) | 5 (9.1) | 0.88 |
Within hours | 593 (47.9) | 569 (48.1) | 24 (43.6) | 0.52 |
Within days | 506 (40.8) | 482 (40.7) | 24 (43.6) | 0.67 |