Table 4 Test characteristics of proximal cerebral artery occlusion on CTA predicting need for neurointervention
From: CT angiography predicts use of tertiary interventional services in acute ischemic stroke patients
| Â | Sensitivity (95% CI) | Specificity | PPV | NPV |
|---|---|---|---|---|
Any neuro-intervention* | 82% (59-94%) | 71% (64-77%) | 25% (16-37%) | 97% (92-99%) |
IA thrombolysis | 86% (49-97%) | 67% (66-67%) | 8% (5-9%) | 99% (97-99%) |
Mechanical IA procedure | 100% (79-100%) | 70% (69-70%) | 19% (15-19%) | 100% (98-100%) |