Hospitalization for Total Knee Replacement Among Inpatients Aged 45 and Over: United States, 2000-2010.

In 2010, total knee replacement was the most frequently performed inpatient procedure on adults aged 45 and over. In the 11-year period from 2000 through 2010, an estimated 5.2 million total knee replacements were performed. Adults aged 45 and over comprised 98.1% of those surgeries. This report uses data from the National Hospital Discharge Survey (NHDS) to present trends in the rate of hospitalizations for total knee replacement, mean age at hospitalization, and discharge status for inpatients aged 45 and over from 2000 through 2010. All material appearing in this report is in the public domain and may be reproduced or copied without permission; citation as to source, however, is appreciated.