Characteristic | Odds Ratio | 95% Confidence Interval | P Value |
---|---|---|---|
Age ≥ 45 years | 2.4 | 1.4–4.3 | p = 0.002 |
Symptoms ≤ 2 weeks | 8.0 | 2.3–28 | p = 0.001 |
Urgent care setting | 2.9 | 1.7–5.0 | p < 0.001 |
Headache | 0.22 | 0.12–0.41 | p < 0.001 |
Neurologic symptoms | 0.1 | 0.19–0.49 | p = 0.005 |