Probability of stroke in the territory based on presenting severity of stenosis and qualifying eventa
| Qualifying Event | Stenosis 50%–99% | Stenosis 50%–69% | Stenosis 70%–99% | ||
|---|---|---|---|---|---|
| BMC-IRR | BMC-IRR | WASID | BMC-IRR | WASID | |
| TIA (1 yr) | 0.11 (0.05–0.25) | 0 | 0.03 (0.01–0.06) | 0.12 (0.05–0.26) | 0.14 (0.06–0.22) |
| Stroke (1 yr) | 0.25 (0.16–0.38) | 0.20 (0.03–0.80) | 0.08 (0.04–0.12) | 0.26 (0.16–0.40) | 0.23 (0.15–0.30) |
a Data are presented as mean probability (95% CI).