Prevalence of carotid artery stenosis in southern China: a retrospective, cross-sectional study.

The article discusses a retrospective, cross-sectional study on the prevalence of carotid artery stenosis (CAS) in southern China. It explores how the study was conducted which involved 862 inpatients with stroke or transient ischemic attacks and underwent certain laboratory examinations to determine the prevalence of severe CAS of bilateral carotid arteries. The results reportedly revealed that the prevalence of severe CAS is lower in south China compared with the north.