Correlation of ICV on CTP softwares and DWI
| ICV on CTP | Ground truth on DWI | ρ | P value | |
| Patients with DWI (N=228) | ||||
| iStroke ICV | 18.8 (3.9–32.1) | 23.9 (10.8–52.1) | 0.43* | <0.001 |
| RAPID ICV | 5.0 (0.0–18.0) | 23.9 (10.8–52.1) | 0.62* | <0.001 |
| Infarct volume >70 mL (N=40) | ||||
| iStroke ICV | 46.7 (20.4–70.1) | 91.6 (77.9–113.9) | 0.51* | <0.001 |
| RAPID ICV | 40.5 (10.3–71.5) | 91.6 (77.9–113.9) | 0.66* | <0.001 |
Data are described as median (IQR).
*Spearman’s rank correlation.
CTP, CT perfusion; DWI, diffusion-weighted imaging; ICV, infarct core volume.