Factors associated with revised etiologic classification when conventional stroke work-up is supplemented with VW-MR imaging
| OR (95% CI) for Change in Etiologic Classification when Conventional Work-Up is Supplemented with VW-MR Imaging | ||
|---|---|---|
| Univariate Logistic Regression | Multivariate Logistic Regression | |
| Age | 0.97a (0.95–0.99) | 0.99 (0.97–1.01) |
| Sex | 1.05 (0.61–1.82) | 1.14 (0.55–2.39) |
| Time interval between symptom onset and VW-MR imaging (days) | 1.00 (1.00–1.00) | NA |
| Etiologic classification based on conventional stroke work-up | ||
| Intracranial arteriopathy not otherwise specified | 19.59a (7.39–51.91) | 8.94a (2.95–27.19) |
| Intracranial atherosclerotic disease | 0.09a (0.04–0.20) | 0.15a (0.05–0.41) |
| Undetermined etiology | 0.86 (0.41–1.82) | NA |
| Vasculitis | 1.58 (0.56–4.45) | 1.39 (0.42–4.55) |
| Cardioembolism | 0.10a (0.23–0.46) | 0.12a (0.02–0.57) |
| Other determined etiology | 0.48 (0.11–2.08) | 0.43 (0.09–21.83) |
| Small-vessel occlusion | 5.21 (0.62–44.06) | 4.92 (0.54–44.73) |
| Cervical atherosclerotic disease | 0.55 (0.09–3.33) | NA |
| Arterial dissection | 1.39E + 9 (0.001 to ∝) | NA |
| Reversible cerebral vasoconstriction syndrome | 0.41 (0.04–4.95) | 0.39 (0.03–4.83) |
Note:—NA indicates not applicable as a factor; not included in the multivariate logistic regression.
↵a Statistically significant.