Table II.
Secondary outcomes
| A. Asymptomatic (CEA = 5043; CAS = 253)
| |||||||
|---|---|---|---|---|---|---|---|
| Ipsilateral stroke | Major stroke | Minor stroke | TIA | MI | Death | CNI | |
| CAS | 0.4% | 0.4% | 0.5% | 0.5% | 0.7% | 0.4% | 0% |
| CEA | 0.6% | 0.3% | 0.4% | 0.3% | 1.0% | 0.2% | 0.9% |
| P value | .58 | .90 | .74 | .77 | .69 | .42 | .11 |
| B. Symptomatic (CEA = 2605; CAS = 156)
| |||||||
|---|---|---|---|---|---|---|---|
| Any ipsilateral stroke | Any major stroke | Any minor stroke | TIA | MI | Death | CNI | |
| CAS | 3.8% | 2.6% | 2.6% | 0.7% | 1.3% | 1.3% | 0% |
| CEA | 1.2% | 0.6% | 0.8% | 0.6% | 1.3% | 0.2% | 1.1% |
| P value | .004 | .005 | .019 | .99 | .99 | .20 | .19 |
| C. Previous ipsilateral CEA (CEA = 172; CAS = 144)
| |||||||
|---|---|---|---|---|---|---|---|
| Any ipsilateral Stroke | Any major stroke | Any minor stroke | TIA | MI | Death | CNI | |
| CAS | 2.8% | 1.4% | 2.8% | 0.6% | 2.8% | 1.4% | 0% |
| CEA | 1.7% | 1.2% | 1.7% | 0.7% | 2.3% | 1.2% | 0.9% |
| P value | .53 | .86 | .53 | .9 | .77 | .86 | .26 |
CEA, Carotid endarterectomy; CHF, congestive heart failure; CNI, cranial nerve injury; MI, myocardial infarction; TIA, transient ischemic attack. Bold indicates significant difference (P < .05).