According to the latest data from the Centers for Disease Control and Prevention, around 51 million inpatient surgical procedures were performed in the United States in 2010, followed closely by outpatient surgeries.
Other surgical statistics for both in- and outpatient procedures include:
Cesarean section: 1.3 million
Reduction of fracture: 671,000
Coronary artery bypass graft: 395,000
Total knee replacement: 719,000
Total hip replacement: 332,000