Table 1.
Baseline characteristics of patients on maintenance hemodialysis.
| Characteristic | Value | |
| Sex - men, n (%) | 5059 (60.28) | |
| Age (years), mean (SD) | 60.5 (13.7) | |
| Dialysis duration, n (%) | ||
| <3 months | 1220 (14.54) | |
| 3 months to 1 year | 3359 (40.02) | |
| 1 to 5 years | 3029 (36.09) | |
| 5 to 10 years | 744 (8.87) | |
| >10 years | 40 (0.48) | |
| Primary disease, n (%) | ||
| Glomerulonephritis | 3880 (46.23) | |
| Diabetic nephropathy | 781 (9.31) | |
| Hypertensive nephrosclerosis | 843 (10.05) | |
| Polycystic kidney disease | 251 (2.99) | |
| Others | 2002 (23.86) | |
| Unknown | 635 (7.57) | |
| Serum creatinine level (µmol/L), mean (SD) | 853.43 (341.59) | |
| Hemoglobin level (g/L), mean (SD) | 10.83 (1.60) | |