Table 1: Comparison of final facility sample to full 8-year industry data set.
| Industry | Study Sample | |
| N Facilities (Facility-Years) | 6,187 (40,781) | 935 (7,324) |
| % Large Dialysis Organization | 71.9% | 80.8% |
| % Medium Dialysis Organization | 13.4% | 13.6% |
| % Small/Independent Organization | 14.8% | 5.6% |
| % For Profit | 93.8% | 98.6% |
| % Midwest Region | 22.2% | 23.0% |
| % Northeast Region | 12.4% | 13.6% |
| % South Region | 46.6% | 50.2% |
| % West Region | 18.0% | 13.0% |
| % Puerto Rico | 0.7% | 0.3% |
| Average Cost per Treatment | $248.82 | $247.03 |
| Average Number of Stations | 18.2 | 19.4 |
| Average Annual Number of Treatments | 10,792 | 11,221 |
| % Patients with URR ≥ 65 | 97.1% | 97.9% |
| % of Patients with Hb ≥ 10 | 92.8% | 93.9% |
| Access-Related Non-Infection Rate | 97.4% | 97.4% |
| Average Annual Non-Hospitalized Days | 351.3 | 351.7 |
Note: URR: Urea Reduction Ratio; Hb: Hemoglobin. Percentages are of total facility-years.