Diagnostic sensitivity in patients who underwent the full multimodal CT protocol
| NCCT | NCCT+CTA | CTP | CTP vs NCCT | CTA vs NCCT | CTP vs NCCT+CTA | |
|---|---|---|---|---|---|---|
| All | 131/277 (47%) | 162/277 (58%) | 222/277 (80%) | p<0.001 | p=0.01 | p<0.001 |
| Mild/improving (NIHSS≤7) | 22/115 (19%) | 28/115 (24%) | 73/115 (63%) | p<0.001 | p=0.33 | p<0.001 |
CTA, CT angiography; CTP, CT perfusion; NCCT, non-contrast CT; NIHSS, National Institutes of Health Stroke Scale.