Incidence of clinical outcome according to the presence or absence of patient symptoms before CAS
| Symptomatic (n = 40; 51.7%) | Asymptomatic (n = 38; 48.3%) | |||
|---|---|---|---|---|
| IPH (n = 20) | No IPH (n = 20) | IPH (n = 10) | No IPH (n = 28) | |
| Hyperperfusion syndrome | 2 | 1 | 0 | 0 |
| Minor stroke | 2 | 1 | 0 | 1 |
| Major stroke | 0 | 0 | 0 | 0 |
| MI | 1 | 0 | 0 | 0 |
| Death | 1 | 1 | 0 | 0 |
| Stroke or MI or death | 3 | 2 | 0 | 1 |
Note:—Data are numbers of patients.