treatment
CEA was not       cost-effective if the perioperative risk was greater than 11.3%, if the       ipsilateral stroke rate associated with medical treatment at 1 year was reduced       to 4.3%, if the age of the patient exceeded 83 years, or if the cost of CEA       exceeded $13,200.
CEA was not       cost-effective if the perioperative risk was greater than 11.3%, if the       ipsilateral  @OBJECT$  rate  @PREDICAT$  with medical  @SUBJECT$  at 1 year was reduced       to 4.3%, if the age of the patient exceeded 83 years, or if the cost of CEA       exceeded $13,200.