Table 1.
Demographic, biochemical, and dialysis-related data for controls and end-stage renal disease patients.
| Controls (n = 22) | ESRD patients (n = 246) | p | |
|---|---|---|---|
| Gender, n (%) | |||
| Male | 8 (36.4) | 134 (54.5) | 0.121 |
| Female | 14 (63.6) | 112 (45.5) | |
| Age (years) | 56.9 [52.3–59.8] | 71.0 [59.7–79.5] | <0.001 |
| BMI (kg/m2) | 24.3 ± 3.4 | 25.6 ± 4.7 | 0.215 |
| Aetiology of CKD, n (%) | |||
| Diabetic nephropathy | — | 87 (35.4) | — |
| Hypertensive nephrosclerosis | 34 (13.8) | ||
| Polycystic kidney disease | 17 (6.9) | ||
| Chronic glomerulonephritis | 18 (7.3) | ||
| Other or undetermined | 90 (36.6) | ||
| Dialysis vintage (years) | 3.87 [1.79–7.48] | ||
| Dialysis therapy, n (%) | |||
| Haemodialysis | — | 30 (12.2) | — |
| Online haemodiafiltration | 216 (87.8) | ||
| Vascular access, n (%) | |||
| Arteriovenous fistula | — | 199 (80.9) | — |
| Arteriovenous graft | 12 (4.9) | ||
| Central venous catheter | 35 (14.2) | ||
| Biochemical and dialysis markers | |||
| Sodium (mEq/L) | — | 137 [135-139] | — |
| Potassium (mEq/L) | 5.16 ± 0.74 | ||
| Phosphorus (mg/dL) | 4.14 [3.31–4.99] | ||
| Calcium (mg/dL) | 8.94 ± 0.55 | ||
| Calcium phosphorus product | 36.74 [29.75–44.96] | ||
| Albumin (g/dL) | 3.8 [3.6–4.1] | ||
| URR (%) | 79.0 [75.8–83.0] | ||
| eKt/V | 1.62 ± 0.28 | ||
| Ultrafiltration volume (L) | 2.3 [1.7–2.9] |
Data are presented as mean ± standard deviation or as median (interquartile range). ESRD: end-stage renal disease; BMI: body mass index; URR: urea reduction ratio.