TABLE 2.
Primary and secondary outcomes at 30 days from headache visita
| HR (compared to renal colic) | HR (compared to back pain) | |
|---|---|---|
| Primary outcome | ||
| All stroke | 2.69 (95% CI, 2.29–3.16) | 4.0 (95% CI, 3.74–4.3) |
| Secondary outcomes | ||
| Ischemic stroke | 2.30 (95% CI, 1.93–2.73) | 3.30 (95% CI, 3.03–3.58) |
| Intracerebral hemorrhage | 2.88 (95% CI, 1.84–4.5) | 4.5 (95% CI, 3.72–5.5) |
| Subarachnoid hemorrhage | -b | 14.5 (95% CI, 11.2–18.9) |
Abbreviations: CI, confidence interval; HR, hazard ratio.
a
Model adjusted for age, race/ethnicity, and all vascular comorbidities.
b
No one had a subarachnoid hemorrhage in the renal colic group.