Baseline characteristics of the recruited subjects
| Total (N=112) | HD (n=60) | PD (n=52) | |
| Age (years) | 55.3±12.1 | 58.9±9.6 | 51.1±13.3 |
| Male gender, n (%) | 74 (66.1) | 44 (73.3) | 30 (57.7) |
| Primary disease, n (%) | |||
| Chronic nephritis | 49 (43.8) | 18 (30.0) | 31 (59.6) |
| Diabetic kidney disease | 25 (22.3) | 16 (26.7) | 9 (17.3) |
| Hypertensive nephrosclerosis | 6 (5.4) | 3 (5.0) | 3 (5.8) |
| Uric acid nephropathy | 2 (1.8) | 2 (3.3) | 0 (0) |
| Polycystic kidney disease | 2 (1.8) | 1 (1.7) | 1 (1.9) |
| Lupus nephritis | 2 (1.8) | 1 (1.7) | 1 (1.9) |
| Others | 3 (2.7) | 2 (3.3) | 1 (1.9) |
| Unknown | 23 (20.5) | 17 (28.3) | 6 (11.5) |
| Dialysis vintage (months) | 57.1 (28.7–90.3) | 74.7 (31.1–141.5) | 52.4 (18.0–71.6) |
| spKt/V | – | 1.39 (1.29–1.56) | – |
| URR (%) | – | 69.1±6.0 | – |
| Total weekly Kt/V | – | – | 1.85±0.30 |
| OH (L) | 1.8 (0.8–3.1) | 1.5 (0.6–2.5) | 2.2 (0.9–3.8) |
| NT-proBNP (pg/mL) | 8250 (3805–13 222) | 7500 (3702–14 134) | 8406 (4232–12 965) |
| LVMI (g/m2) | 116.3 (100.4–136.7) | 117.0 (101.1–133.1) | 112.1 (96.4–142.1) |
| LVEF (%) | 63.5±5.5 | 63.1±5.6 | 63.9±5.4 |
Data are presented as frequencies and percentages for categorical variables, mean±SD for normally distributed continuous variables and median (IQR) for non-normally distributed continuous variables.
HD, haemodialysis; LVEF, left ventricular ejection fraction; LVMI, left ventricular mass index; OH, overhydration; PD, peritoneal dialysis; SpKt/V, single-pool Kt/V; URR, urea reduction ratio.