Table 2 Baseline characteristics of the Study Population
| Â | Population receiving a template with a head CT item (n = 1,036) | Population receiving a template without a head CT item (n = 449) | Population receiving a template with a nystagmus item (n = 872) | Population receiving a template without nystagmus item (n = 613) |
|---|---|---|---|---|
Age, mean ± SD, y | 53.9 ± 19.4 | 44.8 ± 18.4 | 54.5 ± 19.0 | 46.4 ± 19.4 |
Female (%) | 64.9% | 67.3% | 65.1% | 66.2% |
Race-ethnicity (%) | Â | Â | Â | Â |
   Non-Hispanic White | 26.2% | 27.2% | 26.7% | 26.1% |
   Mexican American | 67.3% | 67.9% | 67.3% | 67.7% |
   Other or unknown | 6.6% | 4.9% | 6.0% | 6.2% |
Insurance, any (%) | 79.0% | 69.5% | 80.0% | 70.6% |
Dizziness Presentation | Â | Â | Â | Â |
   Accompaniment | 14.0% | 73.1% | 5.4% | 69.5% |
   Acute Severe | 45.0% | 16.3% | 48.4% | 19.1% |
   Recurrent Positional | 7.6% | 2.2% | 8.6% | 2.3% |
   Recurrent Spontaneous | 27.0% | 6.0% | 30.5% | 6.7% |
   Subacute to Chronic | 6.4% | 2.5% | 7.1% | 2.5% |
Dizziness Symptom | Â | Â | Â | Â |
   Lightheaded or other | 23.1% | 12.7% | 24.1% | 14.0% |
   Dizziness NOS | 20.2% | 79.5% | 13.3% | 73.4% |
   Imbalance | 15.4% | 1.3% | 15.7% | 4.7% |
   Vertigo | 41.3% | 6.5% | 46.9% | 7.8% |
Number of medical symptoms | Â | Â | Â | Â |
   0 - 1 | 5.9% | 13.6% | 4.9% | 13.0% |
   2 | 17.6% | 24.9% | 17.3% | 23.3% |
   3 | 23.4% | 25.8% | 22.6% | 26.3% |
   4 | 20.5% | 19.6% | 21.8% | 17.9% |
   ≥5 | 32.7% | 16.0% | 33.4% | 19.6% |
Number of neurological symptoms or signs | Â | Â | Â | Â |
   0 | 66.3% | 82.6% | 73.5% | 68.2% |
   1 | 26.9% | 14.5% | 22.0% | 24.8% |
   ≥2 | 6.7% | 2.9% | 4.5% | 7.0% |
Number of stroke risk factors | Â | Â | Â | Â |
   0 | 30.8% | 37.2% | 29.5% | 37.4% |
   1 | 31.9% | 33.4% | 32.9% | 31.5% |
   2 | 19.7% | 18.7% | 19.6% | 18.8% |
   ≥3 | 17.7% | 10.7% | 17.8% | 12.4% |