Patient characteristics
| Characteristics | Values (N=865) |
|---|---|
| NTHCs | 564 |
| TVCs | 385 |
| Placement duration (days) | |
| NTHCs | 136.2±67.4 |
| TVCs | 1052.3±371.3 |
| Permanent catheter | |
| Quinton Palindrome | 103 (24.4%) |
| Quinton Permcath | 91 (21.6%) |
| Arrow Cannon II Plus | 101 (29.1%) |
| Bard HemoSplit | 90 (24.9%) |
| Age (years) | 49.53±18.42 |
| ≤18 | 126 (14.6%) |
| 19–44 | 212 (24.5%) |
| 45–59 | 236 (27.3%) |
| ≥60 | 291 (33.6%) |
| Gender | |
| Male | 495 (57.2%) |
| Female | 370 (42.8%) |
| Marital status | |
| Married | 487 (56.3%) |
| Single | 285 (32.9%) |
| Widowed or divorced | 93 (10.8%) |
| Education | |
| University | 152 (17.6%) |
| Middle school | 481 (55.6%) |
| Primary school or below | 232 (26.8%) |
| Occupation | |
| Farmer | 352 (40.7%) |
| Worker | 124 (14.3%) |
| Office worker | 95 (11.0%) |
| Retired | 165 (19.1%) |
| Unemployed | 129 (14.9%) |
| Registered residence | |
| Rural | 497 (57.5%) |
| Urban | 368 (42.5%) |
| Medical costs | |
| New Rural Cooperative Medical System | 386 (44.6%) |
| Medical insurance | 319 (36.9%) |
| Self-paying | 160 (18.5%) |
| Primary disease | |
| Diabetic kidney disease | 236 (27.3%) |
| Primary nephropathy | 143 (16.5%) |
| Hypertensive nephropathy | 96 (11.1%) |
| Acute renal failure | 44 (5.1%) |
| Obstructive nephropathy | 72 (8.3%) |
| Renal tubular interstitial disease | 62 (7.2%) |
| Drug-induced renal damage | 39 (4.5%) |
| Myeloma | 24 (2.8%) |
| Others | 103 (11.9%) |
| Haemodialysis duration, median (range) | 26.5 months (15 days to 18 years) |
| Haemodialysis frequency | |
| Twice per week | 375 (43.4%) |
| Three times per week | 182 (21.0%) |
| Three times every 2 weeks | 121 (14.0%) |
| Five times every 2 weeks | 145 (16.8%) |
NTHC, non-tunnel haemodialysis catheter; TVC, tunnelled vascular catheter.