Table 1 Baseline characteristics of patients (n= 5,081)
Gender male, n (%) | 3,018 (59.4) |
|---|---|
Age, years | 59 (47 – 69) |
Non-white race/ethnicity, n (%) | 2,877 (56.6) |
Primary cause of kidney failure, n (%) | |
Diabetes | 1,906 (37.5) |
Hypertension | 1,317 (25.9) |
Glomerulonephritis | 547 (10.8) |
Polycystic kidney disease | 193 (3.8) |
Others | 357 (7.0) |
Unknown | 761 (15.0) |
Public healthcare insurance, n (%) | 2,951 (58.1) |
Early referral to nephrologist, n (%) | 1,982 (39.0) |
Place of first dialysis session | |
Hospital | 3,060 (60.2) |
Dialysis centre | 1,321 (26.0) |
No information | 700 (13.8) |
Initial vascular access, n (%) | |
Native arteriovenous fistula | 1,509 (29.7) |
Graft | 35 (0.7) |
Temporary catheter | 2,847 (56.0) |
Tunnelled catheter | 690 (13.6) |
Hepatitis B infection, n (%) | 33 (0.6) |
Hepatitis C infection, n (%) | 136 (2.7) |
HIV infection, n (%) | 48 (0.9) |
Erythropoietin use, n (%) | 2,231 (43.9) |
Haemoglobin, g/dL | 9.8 (8.4 – 11.3) |
Transferrin saturation, % | 24 (17 – 34) |
Ferritin, ng/mL | 362 (155 – 722) |
BUN, mg/dL | 54 (43 – 69) |
Serum albumin, g/L | 36 (33 – 40) |
Potassium, mEq/L | 5.0 (4.5 – 5.7) |
Phosphorus, mg/dL | 4.6 (3.7 – 5.7) |
Corrected calcium, mg/L | 9.0 (8.6 – 9.5) |
Intact parathyroid hormone, pg/mL | 262 (125 – 509) |
Alkaline phosphatase, UI/L | 96 (73 – 136) |
Pre-HD Systolic BP, mmHg | 142 (129 – 156) |
Pre-HD Diastolic BP, mmHg | 79 (70 – 85) |
Body mass index, Kg/m2 | 23.7 (21.0 – 27.1) |
Bioimpedance spectroscopy assessment | |
Lean mass, % | 49.3 (39.8 – 60.4) |
Fat mass, % | 34.0 (25.7 – 41.4) |
Excessive extracellular volume, % | 12.9 (4.8 – 21.1) |
Fluid overload, n (%) | 1,721 (45.4) |