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. Author manuscript; available in PMC: 2014 Dec 17.
Published in final edited form as: Arthritis Care Res (Hoboken). 2014 Jun;66(6):907–915. doi: 10.1002/acr.22240

Table 2.

Hospital & Community Factors from the Index THA (n=207,256)

Categories # (%)
Hospital Factors
Annual THA Volume ≤200 113,904(55.0)
201–400 62,198(30.0)
400+ 31,154(15.0)
Bed Size <50 3,743(1.8)
50–200 60,881(29.4)
200–400 90,460(43.7)
400+ 52,172(25.2)
Teaching Hospital Teaching 53,236(25.7)
Non-teaching 154,020(74.3)
Urban/Rural Hospital Urban 194,612(93.9)
Rural 12,644(6.1)
Community Factors
Education (% college graduate) Q1 17.0%
Median 26.0%
Q3 40.0%
Median Household Income Q1 $28,019
Median $39,750
Q3 $57,333
Poverty Level (%) Q1 5.0%
Median 7.0%
Q3 12.0%
Population Density (per sq mile) Q1 540.86
Median 2,882.87
Q3 7,374.02