Table 1. Baseline Patient Characteristics.
| Variable | No. (%) (N = 1028) |
|---|---|
| Medical history | |
| Age, median (IQR), y | 63.0 (54.1-71.5) |
| Hypertension | 480 (46.7) |
| Type 1 or 2 diabetes | 140 (13.6) |
| Current smoker | 105 (10.2) |
| Ischemic heart disease | 87 (8.5) |
| Atrial fibrillation | 51 (5.0) |
| Hyperlipidemia | 342 (33.3) |
| Taking aspirin prior to event | 347 (33.8) |
| Taking statin prior to event | 285 (27.7) |
| Taking antihypertensive medication prior to event | 419 (40.8) |
| No known vascular risk factors | 352 (34.2) |
| Historical and clinical features of the transient neurologic event | |
| Any migraine history | 256 (24.9) |
| History of migraine with aura | 80 (7.8) |
| Any reported stress by patient | 158 (15.4) |
| Any motor or speech symptoms | 218 (21.2) |
| Isolated sensory symptoms | 482 (46.9) |
| Symptom duration <5 min | 122 (11.9) |
| Progression of first to last symptoms >10 min | 179 (17.4) |
| Ongoing symptoms at time of assessment | 370 (36.0) |
| Previous identical event | 238 (23.2) |
| Initial neurologic examination results normal | 740 (72.0) |
Abbreviation: IQR, interquartile range.