Among hospitalizations for nonmaternal and nonneonatal conditions in 2012, more than one-fourth of stays and half of hospital costs involved stays that included operating room (OR) procedures. ■ The most common inpatient OR procedures in 2012 involved the musculoskeletal system: knee arthroplasty, laminectomy, hip replacement, and spinal fusion. ■ Between 2003 and 2012, the inpatientContinue reading “Most Frequent Operating Room Procedures Performed in U.S. Hospitals, 2003-2012”