Table 4 Patient treatment characteristics and laboratory data as reported in CROWNWeb, by recovery status
From: Predictors of kidney function recovery among incident ESRD patients
Variablea | All | Patients With Recovery (n = 16,930) | Patients Without Recovery (n = 355,457) | P-value | |||
|---|---|---|---|---|---|---|---|
N | Mean (SD) or Proportion | N | Mean (SD) or Proportion | N | Mean (SD) or Proportion | ||
Albumin (g/dL) | 353,182 | 3.5 (0.5) | 16,012 | 3.4 (0.5) | 337,170 | 3.5 (0.5) | < 0.001 |
Calcium (mg/dL) | 355,196 | 8.8 (0.6) | 16,226 | 8.9 (0.6) | 338,970 | 8.8 (0.6) | < 0.001 |
Hemoglobin (g/dL) | 357,569 | 10.4 (1.0) | 16,365 | 10.3 (1.2) | 341,204 | 10.4 (1.0) | < 0.001 |
ESA monthly dose (units) | 299,143 | 43,949 (40196) | 12,284 | 39,733 (40193) | 286,859 | 44,130 (40187) | < 0.001 |
Ferritin | 342,910 | 460 (328) | 15,232 | 533 (373) | 327,678 | 458 (325) | < 0.001 |
Iron % saturation | 349,400 | 24.1 (8.8) | 15,769 | 23 (10.1) | 333,631 | 24.1 (8.8) | < 0.001 |
IV Iron administration | |||||||
Yes | 212,999 | 59.7% | 8534 | 52.7% | 204,465 | 60.0% | < 0.001 |
No | 144,016 | 40.3% | 7647 | 47.3% | 136,369 | 40.0% | |
Phosphorus (mg/dL) | 356,401 | 4.8 (1.2) | 16,288 | 4.1 (1.0) | 340,113 | 4.8 (1.2) | < 0.001 |
Parathyroid Hormone (pg/mL) | 83,940 | 367 (314) | 3755 | 221 (187) | 80,185 | 374 (317) | < 0.001 |
Vascular Access Type | < 0.001 | ||||||
AVF/AVG | 87,996 | 24.3% | 915 | 5.5% | 87,081 | 25.2% | |
Catheter | 255,931 | 70.8% | 14,817 | 89.4% | 241,114 | 69.9% | |
Other | 17,819 | 4.9% | 837 | 5.1% | 16,982 | 4.9% | |
Treatment time per session (minutes) | 335,737 | 223 (28) | 15,996 | 219 (29) | 319,741 | 223 (28) | < 0.001 |
Single pool Kt/V | 353,328 | 1.5 (0.3) | 16,101 | 1.5 (0.3) | 337,227 | 1.5 (0.3) | < 0.001 |
Normalized protein catabolic rate (g/kg/d) | 270,580 | 0.8 (0.2) | 10,943 | 0.70 (0.2) | 259,637 | 0.8 (0.2) | < 0.001 |
Pre-HD weight (kg) | 335,856 | 84.3 (23.9) | 16,004 | 85.8 (24.7) | 319,852 | 84.2 (23.8) | < 0.001 |
Post-HD weight (kg) | 335,855 | 82.3 (23.5) | 16,004 | 84.2 (24.3) | 319,851 | 82.2 (23.4) | < 0.001 |
Mean ultrafiltration rate (ml/kg/hr) | 372,271 | 6.9 (3.1) | 16,920 | 5.4 (3.5) | 355,351 | 7.0 (3.1) | < 0.001 |
Quintile of ultrafiltration rate | < 0.001 | ||||||
1st (lowest) (<=4.3) | 74,454 | 20.0% | 6779 | 40.1% | 67,675 | 19.0% | |
2nd (> 4.3–5.9) | 74,454 | 20.0% | 3369 | 19.9% | 71,085 | 20.0% | |
3rd (> 5.9–7.3) | 74,455 | 20.0% | 2558 | 15.1% | 71,897 | 20.2% | |
4th (> 7.3–9.1) | 74,454 | 20.0% | 2117 | 12.5% | 72,337 | 20.4% | |
5th (> 9.1) | 74,454 | 20.0% | 2097 | 12.4%% | 72,357 | 20.4% | |