Statistical measures of VAN and NIHSS ≥6 for the presence of ELVO alone and ELVO or any ICH combined
| Outcome | ELVO | ELVO or any ICH | ||||||
| VAN | NIHSS ≥6 | VAN | NIHSS ≥6 | |||||
| % | 95% CI | % | 95% CI | % | 95% CI | % | 95% CI | |
| Sensitivity | 80.9 | 69.5 to 89.4 | 85.3 | 74.6 to 92.7 | 82.9 | 74.3 to 89.5 | 85.7 | 77.5 to 91.8 |
| Specificity | 37.8 | 31.4 to 44.6 | 50.5 | 43.7 to 57.2 | 42.7 | 35.5 to 50.2 | 57.8 | 50.4 to 65.1 |
| PPV | 28.5 | 25.5 to 31.8 | 34.5 | 30.9 to 38.4 | 45.1 | 41.4 to 48.9 | 53.6 | 48.9 to 58.2 |
| NPV | 86.6 | 79.4 to 91.6 | 91.8 | 86.2 to 95.3 | 81.4 | 73.6 to 87.3 | 87.7 | 81.5 to 92.1 |
| Accuracy | 47.9 | 42.1 to 53.9 | 58.6 | 52.7 to 64.4 | 57.2 | 51.3 to 63.0 | 67.9 | 62.2 to 73.3 |
ELVO, emergent large vessel occlusion; ICH, intracranial hemorrhage; NIHSS, National Institutes of Health Stroke Scale; NPV, negative predictive value; PPV, positive predictive value; VAN, Vision, Aphasia, Neglect stroke assessment scale.