Table 2

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

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


Skerritt et al. BMC Neurology 2012 12:17   doi:10.1186/1471-2377-12-17

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