Table 1.

Number of uniquely owned facilities per hospital service area and change in number of uniquely owned facilities per hospital service area stratified by consolidation

No. of Uniquely Owned Facilities per HSAHSAs That Consolidated,a % of HSAsHSAs That Did Not Consolidate,a % of HSAsAll HSAs Combined,% of HSAs
20012011Difference20012011Difference20012011Difference
043.733.0−10.843.833.3−10.543.833.1−10.6
138.146.58.441.934.4−7.540.040.50.5
211.412.81.49.621.111.510.517.06.4
32.63.40.72.85.93.12.74.61.9
41.41.40.00.92.01.11.21.70.6
50.70.70.00.41.30.90.61.00.5
60.50.60.10.30.70.40.40.60.3
70.10.30.20.10.50.40.10.40.3
80.20.30.10.20.1−0.10.20.20.0
>81.21.0−0.20.10.80.60.60.90.2
Sum100100100100100100
  • Note that the table includes all HSAs where patients live in each year. HSAs where patients live but where no dialysis facilities exist have zero uniquely owned facilities in that HSA. Data are not weighted according to the number of patients who live in each HSA. HSA, hospital service area.

  • a Consolidation is defined as a hospital service area where the Herfindahl–Hirschman Index increased between 2001 and 2011; 50% of patients lived in HSAs that consolidated.