Table 2. Odds that a diagnostic test would be performed on a woman with ischemic stroke relative to the odds that the same test would be performed on a man with ischemic stroke.
Unadjusted |
Adjusted* |
|||
---|---|---|---|---|
Diagnostic test | OR | 95% CI | OR | 95% CI |
Head imaging | ||||
CT | 0.78 | 0.42-1.43 | 0.62 | 0.33-1.18 |
MRI | 0.95 | 0.59-1.53 | 1.08 | 0.65-1.80 |
Cardiac rhythm by ECG | ||||
12-lead | 0.85 | 0.47-1.56 | 0.82 | 0.42-1.60 |
Holter | 0.30 | 0.03-2.69 | 0.31 | 0.03-2.84 |
Any ECG | 0.85 | 0.47-1.56 | 0.82 | 0.42-1.60 |
Cardiac structure by echocardiography | ||||
TTE | 0.96 | 0.67-1.38 | 0.90 | 0.58-1.40 |
TEE | 1.28 | 0.90-1.82 | 1.75 | 1.12-2.72 |
Any echocardiography | 1.32 | 0.87-2.00 | 1.45 | 0.94-2.26 |
Cervical arterial imaging | ||||
Carotid ultrasonography | 1.47 | 1.03-2.10 | 1.78 | 1.09-2.90 |
MRA of neck | 1.01 | 0.71-1.45 | 1.09 | 0.73-1.64 |
Digital subtraction angiography | 0.34 | 0.07-1.65 | 0.36 | 0.07-1.79 |
CT angiography | 0.66 | 0.33-1.34 | 0.75 | 0.37-1.54 |
Any cervical arterial imaging | 1.63 | 0.93-2.86 | 1.75 | 0.94-3.22 |
Intracranial vascular imaging | ||||
MRA of head | 1.13 | 0.76-1.67 | 1.32 | 0.86-2.02 |
Digital subtraction angiography | 0.80 | 0.13-4.84 | 0.92 | 0.15-5.64 |
CT angiography | 0.70 | 0.39-1.26 | 0.67 | 0.35-1.29 |
Any intracranial vascular imaging | 1.26 | 0.83-1.91 | 1.55 | 0.97-2.47 |
CI, Confidence interval; CT, computed tomography; ECG, electrocardiography; MRA, magnetic resonance angiography; MRI, magnetic resonance imaging; OR, odds ratio; TEE, transesophageal echocardiography; TTE, transthoracic echocardiography.
Adjusted for age at time of stroke, race/ethnicity, and site of enrollment in the study.