Table 3.
Facility characteristics by type of facility (N=3,419 facilities)
| FP Chain 1 | FP Chain 2 | FP Chain 3 | FP Chain 4 | NP Chain 5 | FP nonchain | NP nonchain | p-value | |
|---|---|---|---|---|---|---|---|---|
| Facility size (avg # patients/facility) | 73(43) | 78(46) | 82(51) | 70(46) | 66(40) | 73(48) | 89(63) | <0.0001 |
| Ratio of technicians to registered nurses | 2.2(1.5) | 2.4(8.3) | 2.7(1.3) | 2.6(3.7) | 1.4(0.9) | 2(1.7) | 1.8(2) | 0.0001 |
| % White based on facility zip code | 70(24) | 67(26) | 68(25) | 72(23) | 74(23) | 70(25) | 73(24) | 0.0006 |
| GINI coefficient for income inequality~ | 0.45(0.04) | 0.45(0.04) | 0.45(0.04) | 0.45(0.03) | 0.46(0.04) | 0.45(0.04) | 0.44(0.03) | 0.0004 |
| Region (%) | <0.0001 | |||||||
| Northeast (Networks 1–5) | 23.0 | 22.2 | 18.9 | 6.3 | 26.5 | 25.0 | 21.5 | |
| Southeast (Networks 6–8, 13, 14) | 46.0 | 40.6 | 35.0 | 43.1 | 42.5 | 38.2 | 19.0 | |
| Midwest (Networks 9–12) | 19.3 | 20.2 | 22.3 | 34.7 | 18.8 | 20.2 | 27.0 | |
| West (Networks 15–18) | 11.7 | 16.9 | 23.8 | 15.9 | 12.2 | 16.5 | 32.5 | |
| Urban/rural status | 0.0002 | |||||||
| Rural (% yes) | 31.1 | 25.7 | 25.7 | 36.0 | 39.8 | 28.6 | 27.0 | |
| Urban (% yes) | 68.9 | 74.3 | 74.3 | 64.0 | 60.2 | 71.4 | 73.0 | |
| Facility clinical characteristics | ||||||||
| Use of EPO (average units/month)^ | 85377(21323) | 99354(23289) | 92309(22791) | 86667(22390) | 76398(19817) | 75177(25538) | 75488(24370) | <0.0001 |
| Use of iron (average mg/month)^ | 227(68) | 283(74) | 290(84) | 221(66) | 228(55) | 225(83) | 192(68) | <0.0001 |
| Use of Vitamin D (average mcg/month)^ | 43(15) | 52(17) | 47(19) | 35(13) | 18(12) | 29(16) | 26(13) | <0.0001 |
| Use of all three injectable medications~ | 7.4(2.1) | 9.3(2.1) | 8.7(2.3) | 6.9(2.3) | 5.5(1.7) | 6(2.2) | 5.4(1.9) | <0.0001 |
| % patients with HCT >33% | 91(7) | 92(9) | 93(7) | 92(7) | 90(9) | 88(13) | 89(12) | <0.0001 |
| % patients with URR >65% | 96(4) | 93(7) | 95(5) | 96(4) | 90(7) | 92(9) | 93(7) | <0.0001 |
Note: FP=For-profit; NP=Nonprofit; numbers in ( ) are standard deviations.
^
Summarized for every certified facility based on entire 2004 outpatient dialysis claims.
~
Summarized based on the dose quartile distributions with a minimum of 9 and a maximum of 12.