Table 1.

Device use. Number of procedures in the United States (2009). Source: U.S. Centers of Disease Control (www.cdc.gov/nchs/fastats/insurg.htm).

Number of domestic inpatient procedures
(N = 48 million per year)
Insertion of coronary artery stent: 528,000
Diagnostic ultrasound: 902,000
CT scan: 497,000
Arteriography and angiocardiography: 1.9 million
Cardiac catheterization: 1.1 million
Total hip replacement: 327,000
Total knee replacement: 676,000