Table 6.
Range of C-statistic/AUC-ROC for risk of stroke recurrence of different scores in different studies.
| Score/Prediction model | Patient population | Prediction for | Number of cohorts studied | C-statistic/AUC-ROC (Range) |
|---|---|---|---|---|
| I. For short-term risk prediction (≤90 days) | ||||
| ABCD | TIA | Ischemic stroke | 12 | 0.53–0.95 |
| ABCD2 | TIA | Ischemic stroke | 25 | 0.39–0.97 |
| Minor stroke | Ischemic stroke | 4 | 0.53–0.74 | |
| Transient symptoms with Infarction (TSI) | Ischemic stroke | 2 | 0.45–0.69 | |
| ABCD2-I | TIA | Ischemic stroke | 1 | 0.72–0.85 |
| ABCD3 | TIA | Ischemic stroke | 2 | 0.61–0.79 |
| ABCD3-I | TIA | Ischemic stroke | 2 | 0.66–0.92 |
| ABCDE+ | TIA | Ischemic stroke or TIA | 1 | 0.55–0.75 |
| California | TIA | Ischemic stroke | 6 | 0.51–0.85 |
| Dutch TIA | TIA and amaurosis fugax | Fatal or non-fatal stroke | 1 | 0.73 |
| TIA and amaurosis fugax | MI, stroke or vascular death | 1 | 0.75 | |
| ESRS | TIA or minor stroke | Ischemic stroke | 4 | 0.42–0.79 |
| RRE-90 | Ischemic stroke | Recurrent ischemic stroke | 3 | 0.70–0.82 |
| TSI | Recurrent ischemic stroke | 2 | 0.59–0.92 | |
| SPI-II | Minor stroke | Recurrent ischemic stroke | 1 | 0.39–0.60 |
| TIA and minor stroke | Ischemic stoke | 1 | 0.41–0.69 | |
| II. For log-term risk prediction (>90 days) | ||||
| ABCD | TIA | Ischemic stroke | 1 | 0.57–0.67 |
| ABCD2 | TIA | Ischemic stroke | 3 | 0.54–0.75 |
| TIA | Ischemic stroke or TIA | 1 | 0.58–0.68 | |
| TIA and minor stroke | Ischemic stroke | 1 | 0.58–0.71 | |
| TIA and ischemic stroke | Non-fatal stroke, MI or vascular death | 1 | 0.57–0.70 | |
| ABCDE+ | TIA | Ischemic stroke or TIA | 1 | 0.53–0.76 |
| Dutch TIA | TIA and ischemic stroke | Non-fatal stroke, MI or vascular death | 1 | 0.56–0.72 |
| ESRS | TIA and ischemic stroke | Ischemic stroke | 2 | 0.57–0.67 |
| TIA and ischemic stroke | Stroke or cardiovascular death | 1 | 0.60–0.69 | |
| TIA and ischemic stroke | Non-fatal Ischemic stroke or MI | 1 | 0.58 | |
| Ischemic stroke | Recurrent ischemic stroke | 1 | 0.55–0.65 | |
| Ischemic stroke | Combined outcomes of fatal or non-fatal stroke, MI, non-fatal unstable angina, and cardiac death | 1 | 0.56–0.66 | |
| Hankey | TIA and ischemic stroke | Ischemic stroke | 1 | 0.57–0.67 |
| TIA and ischemic stroke | Stroke or cardiovascular death | 1 | 0.60–0.69 | |
| TIA and ischemic stroke | Non-fatal stroke, MI or vascular death | 1 | 0.58–0.74 | |
| LiLAC | TIA and ischemic stroke | Ischemic stroke | 1 | 0.59–0.69 |
| TIA and ischemic stroke | Stroke or cardiovascular death | 1 | 0.61–0.70 | |
| Modified ESRS | Ischemic stroke | Recurrent ischemic stroke | 1 | 0.58–0.68 |
| Ischemic stroke | Combined outcomes of fatal or non-fatal stroke, MI, non-fatal unstable angina, and cardiac death | 1 | 0.59–0.69 | |
| SPI-I | TIA and ischemic stroke | Ischemic stroke or death | 1 | 0.57–0.60 |
| SPI-II | TIA and ischemic stroke | Ischemic stroke | 2 | 0.58–0.70 |
| TIA and ischemic stroke | Ischemic stroke or death | 1 | 0.62–0.65 | |
| TIA and ischemic stroke | Stroke or cardiovascular death | 1 | 0.61–0.70 | |
| TIA and ischemic stroke | Non-fatal stroke, MI or vascular death | 1 | 0.61–0.75 | |
| Ischemic stroke | Ischemic stroke or death | 1 | 0.61–0.64 | |