| Project | Value (N = 434) |
| Age (years old) | 61.47 ± 16.56 |
| Gender |
|
| Male | 217 (50%) |
| Female | 217 (50%) |
| Original diseases |
|
| Hypertensive nephropathy | 141 (32.5%) |
| Diabetic Nephropathy | 105 (24.2%) |
| Chronic glomerulonephritis | 56 (12.9%) |
| Cystic nephropathy | 27 (6.2%) |
| Obstructive nephropathy | 63 (14.5%) |
| Nephrotic syndrome | 13 (3.0%) |
| Acute kidney injury | 4 (0.9%) |
| Others* | 25 (5.8%) |
| Catheter Detention (days) | 180 ± 325.077 |