Probability of stroke in the territory based on presenting severity of stenosis and qualifying event: TIA, minor stroke, or major strokea
| Stenosis 50%–69% | Stenosis 70%–99% | |
|---|---|---|
| TIA | ||
| 1 year | 0 | 0.116 (0.050–0.256) |
| Minor stroke | ||
| 1 year | 1.000 | 0.212 (0.106–0.400) |
| Major stroke | ||
| 1 year | 0 | 0.322 (0.166–0.566) |
a Data are presented as mean probability (95% CI).