1.	Age > 70 years
2.	Male gender
3.	Systolic BP > 160 mm Hg
4.	Diastolic BP > 90 mm Hg
5.	Recent symptoms (< 31 days)
6.	History of prior stroke
7.	Stenosis > 80%
8.	Plaque ulceration
9.	Prior smoking (any time)
10.	History of Hypertension
11.	History of Myocardial Infarction
12.	History of Congestive Heart Failure
13.	Diabetes
14.	Claudication
15.	Elevated lipids

Table 3.

NASCET Risk factors (studied prospectively)