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TRENDS: nearly 450,000 hip replacements each year

The U.S. Agency for Healthcare Research and Quality (AHRQ) has a number of free databases on the web that can be used to take an interesting historical look at health care utilization data.  I recently posted on this blog about hip fracture – and got an unusual number of hits! – so thought I might explore another aspect of the same topic here using some AHRQ data.

HIP REPLACEMENT: Inpatients discharged who had total or partial hip replacement, 1995-2013

  • 267,034 (or 100.3 per 100,000 persons) in 1995
  • 298,631 (or 105.8 per 100,000 persons) in 2000
  • 371,754 (or 125.8 per 100,000 persons) in 2005
  • 439,838 (or 142.2 per 100,000 persons in 2010
  • 439,945 (or 156.2 per 100,000 persons) in 2013

The fine print: What is this exactly?  First of all, these numbers represent inpatients only.  The rates per 100,000 persons means per 100,000 resident population.  The data source is the National Inpatient Sample based on the “CCS category” code 153: Hip replacement, total and partial.  It is also possible to run data using ICD-9 codes or DRGs.  The most current data year is 2013.

We notice from these data that both the actual number of inpatients who have had hip replacement and the rate per 100,000 persons are trending upward over time.

HIP REPLACEMENT: Ambulatory surgery?

AHRQ also has a database of ambulatory surgery procedures for 29 reporting states (representing two-thirds of the U.S. population).  As of this writing, the database can be queried for just the year 2012 but, with an added nice feature, provides comparable inpatient data for the same states.  Setting this database up for the same CCS category as above (153: Hip replacement, total and partial, all listed) shows that only about 3 percent of hip replacements were done on an outpatient basis in 2012.

Source: Agency for Healthcare Research and Quality. Welcome to HCUPnet. Click here for free access to this database http://hcupnet.ahrq.gov/  Posted by AHA Resource Center (312) 422-2050, rc@aha.org

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