Table 1.
Demographics, risk factors, and clinical characteristics of patients with determined versus undetermined subtype
| Stroke Subtype | Overall Determined N=308 |
Cardioembolic N=84 (27.3%) |
NLUE* N=91 (29.5%) |
Large Artery N=56(18.2%) |
Small Vessel N=77(25.0%) |
|||||
|---|---|---|---|---|---|---|---|---|---|---|
| Demographics | ||||||||||
| Gender (%Female) | 179 | 58% | 185 | 60% | 169 | 55% | 188 | 61% | 179 | 58% |
| Race/Ethnicity (%MA) | 151 | 49% | 183 | 60% | 132 | 43% | 154 | 50% | 136 | 44% |
| Age, mean (SD) | 73 | (11) | 78 | (11) | 72 | (12) | 70 | (11) | 72 | (10) |
| Smoking Status | ||||||||||
| Never | 217 | 71% | 238 | 77% | 232 | 75% | 201 | 65% | 189 | 61% |
| Former | 48 | 16% | 31 | 10% | 47 | 15% | 47 | 15% | 66 | 21% |
| Current | 43 | 14% | 39 | 13% | 29 | 9% | 59 | 19% | 53 | 17% |
| Health Insurance | 293 | 95% | 301 | 98% | 284 | 92% | 302 | 98% | 288 | 94% |
| Clinical Characteristics | ||||||||||
| History of Hypertension | 233 | 76% | 235 | 76% | 217 | 70% | 246 | 80% | 240 | 78% |
| Diabetes | 139 | 45% | 125 | 41% | 136 | 44% | 162 | 53% | 140 | 46% |
| History of Stroke or TIA | 101 | 33% | 121 | 39% | 81 | 26% | 118 | 38% | 92 | 30% |
| Coronary Artery Disease | 119 | 39% | 183 | 60% | 106 | 34% | 90 | 29% | 84 | 27% |
| High Cholesterol | 62 | 20% | 33 | 11% | 68 | 22% | 95 | 31% | 64 | 21% |
| Atrial Fibrillation | 46 | 15% | 143 | 46% | 14 | 4% | 11 | 4% | 4 | 1% |
| Excessive ETOH | 15 | 5% | 11 | 4% | 17 | 6% | 17 | 6% | 16 | 5% |
| NIHSS, median (IQR) | 3 | (2,7) | 6 | (1,10) | 3 | (1,7) | 3 | (1,8) | 3 | (2,4) |
| Presented within 3 hours | 88 | 29% | 34 | 41% | 16 | 18% | 15 | 27% | 24 | 32% |
| Systolic BP (SD) | 161 | (30) | 152 | (32) | 160 | (30) | 164 | (28) | 168 | (28) |
| Diastolic BP (SD) | 84 | (18) | 84 | (19) | 85 | (19) | 82 | (15) | 87 | (16) |
| Mean Arterial Pressure (SD) | 110 | (19) | 107 | (21) | 110 | (20) | 109 | (17) | 114 | (17) |
| Diagnostic Testing | ||||||||||
| Any neuroimaging | 305 | 99% | 304 | 99% | 305 | 99% | 308 | 100% | 304 | 99% |
| Magnetic resonance imaging | 129 | 42% | 77 | 25% | 135 | 44% | 187 | 61% | 152 | 49% |
| Transthoracic echocardiogram | 149 | 48% | 172 | 56% | 146 | 47% | 176 | 57% | 132 | 43% |
| Transesophageal echocardiogram |
9 | 3% | 4 | 1% | 14 | 4% | 0 | 0% | 24 | 8% |
| Electrocardiogram | 268 | 87% | 282 | 92% | 268 | 87% | 275 | 89% | 268 | 87% |
| Conventional angiography | 16 | 5% | 4 | 1% | 7 | 2% | 49 | 16% | 10 | 3% |
| Carotid duplex sonography | 197 | 64% | 165 | 54% | 196 | 64% | 214 | 70% | 224 | 73% |
Means or medians reported with standard deviation or interquartile range as appropriate in parentheses.
*
Non-lacunar stroke of either possible cardioembolic or possible large-artery aetiology