Table 1 Baseline Characteristics of Patients Initiated PD in 2006–2015
| Â | Overall | No Technique Failure | Technique Failure | P value |
|---|---|---|---|---|
N = 2,290 | (n = 2117) | (n = 173) | ||
Male gender | 1,354(59.1%) | 1,252(59.1%) | 102(59.0%) | 0.84 |
Age |  |  |  |  < 0.001 |
   < 65Y | 1,918(83.8%) | 1813(85.6%) | 105(60.7%) |  |
   ≥ 65Y | 372(16.2%) | 304(14.4%) | 68(39.3%) |  |
BMI |  |  |  |  < 0.001 |
   < 18.5 kg/m2 | 443(19.2%) | 396 (18. 6%) | 47 (27.2%) |  |
  18.5–24 kg/m2 | 1365(59.0%) | 1288(60.2%) | 77(44.5%) |  |
   > 24 kg/m2 | 482(21.1%) | 433(20. 5%) | 49 (28.3%) |  |
Education | Â | Â | Â | 0.008 |
  under the primary | 855(37.3%) | 784(3.7%) | 71(41.0%) |  |
  primary | 913(39.9%) | 834(39.4%) | 79(45.7%) |  |
  higher | 522(22.8%) | 499(23.6%) | 23(13.3%) |  |
Medical insurance |  |  |  |  < 0.001 |
  RMI | 1,355(59.2) | 1,222(57.7) | 133(76.9) |  |
  EMI | 825(36.0) | 790(37.3) | 35(20.2) |  |
  CI or FM | 110(4.8) | 105(5.0) | 5(2.9) |  |
Annual income | Â | Â | Â | 0.22 |
   ≤ 50 thousand RMB | 1,817(79.3) | 1,668(78.8) | 149(86.1) |  |
   > 50 thousand RMB | 473(20.7) | 449(21.2) | 24(13.9) |  |
Self-care ability |  |  |  |  < 0.001 |
  Not completely | 189(8.25%) | 153(7.23%) | 36(20.8%) |  |
  Complete self-care | 2,101(91.6%) | 1,964(92.8%) | 137(79.2%) |  |
Cause of ESKD |  |  |  |  < 0.001 |
  Glomerulonephritis | 1361(59.4%) | 1283(60.6%) | 78(45.1%) |  |
  Diabetes | 492(21.5%) | 435(20.6%) | 57(33.0%) |  |
  Hypertension | 171(7.5%) | 159(7.5%) | 12(6.9%) |  |
  Other | 261(11.6%) | 240(11.3%) | 21(15.0%) |  |
Comorbidity conditions | ||||
  Diabetes | 578 (25.2%) | 512 (24.2%) | 66(38.2%) |  < 0.001 |
  CVD | 539(23.5%) | 474(22.4%) | 65(37.6%) | 0.025 |
  IHD | 492(21.5%) | 441(20.8%) | 51(29.5%) |  < 0.001 |
  CHF | 70(3.1%) | 45(2.13%) | 25(14.5%) |  < 0.001 |
Laboratory variables | ||||
  hemoglobin (g/L) | 79.8 ± 19.0 | 79.7 ± 19.00 | 82.5 ± 18.6 | 0.03 |
  albumin(g/L) | 34.9 ± 4.89 | 35.0 ± 4.86 | 33.8 ± 5.06 |  < 0.001 |
  Scr (mg/dL) | 10.9 ± 4.35 | 11.0 ± 4.38 | 9.71 ± 3.81 |  < 0.001 |
  eGFR (mL/min/1.73 m2) | 5.69 ± 2.59 | 5.63 ± 2.53 | 6.33 ± 3.09 |  < 0.001 |
  calcium (mmol/L) | 1.98 ± 0.28 | 1.98 ± 0.28 | 1.97 ± 0.27 | 0.29 |
  phosphorus(mmol/L) | 2.04 ± 0.54 | 1.97 ± 0.27 | 1.99 ± 0.49 | 0.38 |
  I-PTH (pg/ml) | 412 ± 307.3 | 415 ± 308.4 | 378 ± 315.1 | 0.07 |
  Triglycerides(mmol/L) | 1.55 ± 0.98 | 1.54 ± 0.97 | 1.74 ± 1.11 |  < 0.001 |
  Total cholesterol(mmol/L) | 4.69 ± 1.39 | 4.67 ± 1.36 | 4.86 ± 1.67 |  < 0.001 |
  HDL-C (mmol/L) | 1.03 ± 0.32 | 1.04 ± 0.32 | 1.01 ± 0.38 | 0.21 |
  LDL-C (mmol/L) | 2.84 ± 1.03 | 2.84 ± 1.03 | 2.88 ± 1.13 | 0.78 |
Duration of RRT |  |  |  |  < 0.001 |
  Nil | 854(37.2%) | 772(36.6%) | 80(46.2%) |  |
   ≤ 90d | 1355(59.1%) | 1273(60.1%) | 82(47.4%) |  |
   > 90d | 82(3.62%) | 72(3.40%) | 11(6.63%) |  |
Peritonitis | 282(12.3%) | 240(11.3%) | 42(24.8%) |  < 0.001 |