Table 1.
Characteristics of 1,000 patients associated with a 90-day stroke risk
| Variable | n | % | 90-day stroke risk with characteristics, % |
P value | |
|---|---|---|---|---|---|
| present | absent | ||||
| Characteristics | |||||
| Age ≥60 | 721 | 72.1 | 4.4 | 4.3 | 0.924b |
| Mean ± SD | 67.8 ± 12.9 | ||||
| Range | 22, 96 | ||||
| Female | 432 | 43.2 | 4.4 | 4.4 | |
| Mean systolic blood pressure ± SD, mm Hg | 159.5 ± 30.0 | ||||
| Systolic blood pressure ≥140 mm Hg or diastolic blood pressure ≥90 mm Hg | 741 | 74.1 | |||
| Medical history | |||||
| Diabetes | 273 | 27.3 | 6.6 | 3.6 | 0.038b |
| Hypertension | 583 | 58.3 | 4.3 | 4.6 | 0.838b |
| Hyperlipidemia | 176 | 17.6 | 6.3 | 4.0 | 0.187b |
| Ischemic heart disease | 106 | 10.6 | 4.7 | 4.4 | 0.803a |
| Carotid bruit and/or stenosis | 30 | 3.0 | 13.3 | 4.1 | 0.039a |
| Previous TIA | 89 | 8.9 | 5.6 | 4.3 | 0.584a |
| Previous stroke | 200 | 20.0 | 7.0 | 3.8 | 0.045b |
| Ever smoker | 379 | 37.9 | 4.5 | 4.3 | 0.918b |
| Symptoms analysis | |||||
| Symptoms on ED arrival | 517 | 51.7 | 4.3 | 4.6 | 0.817b |
| Focal weakness | 649 | 64.9 | 5.1 | 3.1 | 0.151b |
| Sensory disturbance | 283 | 28.3 | 3.2 | 4.9 | 0.237b |
| Speech impairment | 350 | 35.0 | 4.9 | 4.2 | 0.605b |
| Visual disturbance | 83 | 8.3 | 2.4 | 4.6 | 0.573a |
| Dizziness | 191 | 19.1 | 4.7 | 4.3 | 0.815b |
| Vertigo | 21 | 2.1 | 4.8 | 4.4 | 0.615a |
| Loss of consciousness | 41 | 4.1 | 0 | 4.6 | 0.253a |
| Mouth deviation/facial asymmetry | 84 | 8.4 | 4.8 | 4.4 | 0.782a |
| History of atrial fibrillation | 122 | 12.2 | 4.1 | 4.4 | 0.862b |
| New atrial fibrillation | 22 | 2.2 | 0 | 4.5 | 0.619a |
| Carotid bruit present on examination | 41 | 4.1 | 12.2 | 4.1 | 0.030a |
a
Fisher's exact test
b
χ2 test.