Table 2.
Thresholds following from a receiver operating characteristic (ROC) curve analysis for three processing methods (ISP, bSVD, NLR) based on a training patient group with successful recanalization (REC) and a training patient group with persistent occlusion (OCC). CBF cerebral blood flow, MTT mean transit time, TTP time to peak, and AUC area under the curve
| Method | Training patient group | Threshold | AUC of ROC curve | Youden’s index |
|---|---|---|---|---|
| ISP | REC | CBF < 14.0 mL/100g/min | 0.68 | 0.29 |
| OCC | MTT > 11.0 s | 0.75 | 0.44 | |
| bSVD | REC | CBF < 9.0 mL/100g/min | 0.74 | 0.38 |
| OCC | TTP > 6.0 s | 0.79 | 0.49 | |
| NLR | REC | CBF < 10.0 mL/100g/min | 0.78 | 0.41 |
| OCC | TTP > 6.5 s | 0.82 | 0.54 |