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Table 2 Number of CEA records, combined CAS records, and number of procedures per 100,000 discharges

From: Carotid endarterectomy and carotid artery stenting utilization trends over time

Year Discharges CEA Records CEA Procedures per 100,000 Discharges Combined CAS Records CAS Procedures per 100,000 Discharges
1998 6,827,350 23,782 348 639 9
1999 7,198,929 23,214 322 1,038 14
2000 7,450,992 23,612 317 1,034 14
2001 7,452,727 23,294 313 1,422 19
2002 7,853,982 21,604 275 1,443 18
2003 7,977,728 21,346 268 1,665 21
2004 8,004,572 19,442 243 1,971 25
2005 7,995,048 18,419 230 2,805 35
2006 8,074,825 18,069 224 4,486 56
2007 8,043,415 17,944 223 3,096 38
2008 8,158,381 19,860 243 3,466 42
Total N = 85,037,949 N = 230,586 Mean = 273 N = 23065 Mean = 27