Table 2.
Observed events in patients with and without history of neurologic events up to 30 days after CEA
| Event | 30 days (n = 748) | Symptomatic (n = 486) | Asymptomatic (n = 262) | HR | CI | p | |||
|---|---|---|---|---|---|---|---|---|---|
| n | % | n | % | n | % | ||||
| Death | 1 | 0.1 | 1 | 0.2 | 0 | 0 | n.a | n.a | n.a |
| Stroke | 41 | 5.5 | 33 | 6.8 | 8 | 3.1 | 2.241 | 1.035–4.852 | 0.041 |
| Ipsilateral Stroke | 40 | 5.3 | 33 | 6.8 | 7 | 2.7 | 2.561 | 1.133–5.790 | 0.024 |
| Myocardialinfarction | 8 | 1.1 | 3 | 0.6 | 5 | 1.9 | 0.327 | 0.078–1.370 | 0.126 |
| Death and stroke | 42 | 5.6 | 34 | 7.0 | 8 | 3.1 | 2.309 | 1.069–4.988 | 0.033 |
| MACCE | 50 | 6.7 | 37 | 7.6 | 13 | 5.0 | 1.547 | 0.823–2.911 | 0.176 |
CI confidence interval, HR hazard ratio, p level of significance for difference of event rates between the symptomatic and asymptomatic group, MACCE Major Cardiac and Cerebrovascular Events, n number of patients, n.a. not applicable