Hip Replacement Procedures


Lead Author(s): 

Charles G. Helmick, MD, CDC Team

Supporting Author(s): 

Sylvia I. Watkins-Castillo, PhD

In 2010 and 2011, there were an estimated 465,000 to 512,000 hip replacement procedures, comprising 37% of all joint replacement procedures. A majority, about 63%, occurred in females. Total hip replacements occur nearly three times as frequently as partial hip replacements, and both are far more common that revision hip replacement. (Reference Table 4.9 PDF CSV)

Estimated trends in hip replacement procedures from 1992 to 2010 or 2011 show a steady increase in all types of replacements, with total hip replacements more than doubling by 2010/2011. Growth is slowest in partial hip replacements. The ratio of revision hip to total hip replacements hovers around 20% for most years. The years 2006/2007 showed anomaly data for revision hip replacements in both data sets. (Reference Table 4.10 PDF CSV)
Trends in Hip Replacement Procedures, All Ages, in the United States 1992-2011
The principal diagnoses associated with hip replacements varied, with osteoarthritis associated with more than 80% of total hip replacements and fractures or congenital deformities being associated with more than 85% of partial hip replacements. There is some variation between diagnoses for the two databases. (Reference Table 4.11 PDF CSV)

The 18-year mean age was about 66 years for total hip replacements and 77 for partial hip replacements, reflecting the different underlying diagnoses. Mean ages for both procedures show a slight decline over the time period, reflecting the younger age at which joint replacements are now considered. (Reference Table 4.12 PDF CSV)  

The mean length of stay for all hip replacements has shown a remarkable decline of at least 50% from 1992 through 2010. (Reference Table 4.13 PDF CSV)
Average Inpatient Length of Stay (LOS) for Hip Replacement Procedures, United States 1992-2010
In spite of shorter hospital stays, mean hospital charges from 1998 through 2011 steadily increase for all hip replacements. Revision hip replacements are the most expensive, while total hip replacements are the least expensive. Total hospitalization charges for all hip replacements have tripled (in constant 2011 dollars) from $8.9 billion in 1998 to $27.8 billion in 2011, led by charges for total hip replacements. (Reference Table 4.14 PDF CSV)
Trends in Mean and Total Hospital Charges for Hip Joint Replacement Procedures, in 2011 Dollars, United States 1998-2011
Most adults with total hip and revision hip replacements are routinely discharged home, but 20% to 30% are discharged to long-term care. Slightly higher rates of persons age 65 years and older go to long-term care. Among patients who undergo a partial hip replacement, nearly half (45%) go to long-term care, with three out of five who are 65 years and older with a partial hip replacement doing so. (Reference Table 4.15 PDF CSV)
Discharge Status for Adults Age 18 & Over and 65 & Over Undergoing Hip Replacement Procedures, United States 2010


  • 2014

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