Long-term results of 442 consecutive, standardized carotid endarterectomy procedures in standard-risk and high-risk patients

Life-table analysis plot for ipsilateral stroke or death or myocardial infarction (MI) for the entire cohort.

Kaplan-Meier plot comparing ipsilateral stroke or death or myocardial infarction (MI) by risk stratification. No statistically significant difference was found between high-risk (green line) and standard-risk (blue line) groups out to 93 months. Tick marks on the respective lines show censored data.

Kaplan-Meier plot comparing ipsilateral stroke or death or myocardial infarction (MI) by preoperative symptom status. No statistically significant difference was found between symptomatic (green) and asymptomatic (blue) groups out to 93 months. Tick marks on the respective lines show censored data.

Life-table plot of target lesion revascularization (TLR). At 93 months postoperatively, 97% of arteries were free from TLR.