Early vessel signs at 24 hours
| PWI/MRA: Vessel Occlusion, 24 Hours | FLAIR 24-Hour HVS | GRE 24-Hour SVS | ||||
|---|---|---|---|---|---|---|
| No | Yes | Total | No | Yes | Total | |
| No | 29 | 1 | 30 | 26 | 4 | 30 |
| Yes | 13 | 13 | 26 | 12 | 14 | 26 |
| Total | 42 | 14 | 56 | 38 | 18 | 56 |
| Sensitivity (%) | 50 | 53.8 | ||||
| Specificity (%) | 96.7 | 86.7 | ||||
| PPV (%) | 92.9 | 77.8 | ||||
| NPV (%) | 69 | 68.4 | ||||
| Accuracy (%) | 75 | 71.4 | ||||