(AHRQ Logo) Inpatient vs. outpatient surgeries in U.S. hospitals. 
Outpatient surgeries are on the rise. 
Nearly half of the 19 million surgeries performed in community hospitals in 28 states were outpatient surgeries. 
(Pie graph of inpatient and outpatient surgeries) showing Inpatient surgeries: 51.1 percent and 
Outpatient surgeries 48.9 percent.
(Picture of human body outline with inpatient surgical procedures on the left and outpatient surgical procedures on the right) 
Total inpatient surgeries in 2012: 9.7 million.
Percentages below show body systems most commonly addressed in inpatient surgery. 
  Respiratory surgeries: 86.9 percent
  Cardiovascular surgeries: 71.7 percent
  Obstetric surgeries: 97.7 percent
Total outpatient surgeries in 2012: 9.3 million
Percentages below show body systems most commonly addressed in outpatient surgery. 
  Eye surgeries: 98.8 percent
  Ear surgeries: 91.8 percent
  Nose, mouth, and throat surgeries: 86.7 percent 
Only includes surgeries performed in hospital-owned ambulatory surgery settings. See http://go.usa.gov/33XGh for details.