Table 1 Characteristics of the Chinese dialysis patients a
| Â | Total | Dialysis modality | ||
|---|---|---|---|---|
| Â | (n=2388) | PD (n=613) | HD (n=1775) | P |
Demographic | ||||
  Age, yr | 54.1±15.3 | 51.0±15.0 | 55.1±15.3 | <0.01 |
  Male, n (%) | 1313 (55.0 ) | 309 (50.4) | 1004 (56.6) | <0.01 |
  Smoker, n (%) | 117 (4.9) | 29 (4.7) | 88 (5.0) | 0.91 |
  Diabetes, n (%) | 548 (22.9) | 136 (22.2) | 412 (23.2) | 0.62 |
  Hypertension, n (%) | 2013 (84.3) | 566 (92.3) | 1447 (81.5) | <0.01 |
Dialysis vintage, mo | 26 (12-51) | 19 (9-35) | 30 (13-60) | <0.01 |
Dialysis adequacy, kt/v b |  | 2.1±0.5 | 1.6±0.4 | NA |
Physical examination | ||||
  Body mass index, kg/m2 | 21.7±3.4 | 22.1±3.2 | 21.5±3.4 | <0.01 |
  Systolic BP, mmHg | 143.1±22.4 | 141.6±23.2 | 143.6±22.0 | 0.05 |
  Diastolic BP, mmHg | 83.4±13.1 | 83.1±13.1 | 83.5±13.1 | 0.57 |
Cause of renal failure, n (%) | ||||
  Diabetes | 512 (21.4) | 129 (21.0) | 383 (21.6) | 0.82 |
  Hypertension | 406 (17.0) | 113 (18.4) | 293 (16.5) | 0.29 |
  Glomerular disease | 1097 (45.9) | 323 (52.7) | 774 (43.6) | <0.01 |
  Tubulointerstitial disease | 77 (3.2) | 31 (5.1) | 46 (2.6) | <0.01 |
  Connective tissue disease | 48 (2.0) | 11 (1.8) | 37 (2.1) | 0.74 |
  Polycystic kidney disease | 116 (4.9) | 17 (2.8) | 99 (5.6) | <0.01 |
  Others unknown causes | 316 (13.2) | 39 (6.4) | 277 (15.6) | <0.01 |
Laboratory assessments | ||||
  Albumin, g/L | 39.5±6.0 | 39.0±5.5 | 40.0±6.1 | <0.01 |
  Hemoglobin, g/L | 104.3±20.5 | 106.8±20.8 | 103.5±20.3 | <0.01 |
  C-reactive protein, mg/L | 3.6 (1.9-9.4) | 3.1 (1.3-8.6) | 3.9 (2.1-10.0) | <0.01 |
  Glucose, mM | 4.8 (4.3-5.6) | 4.8 (4.3-5.6) | 4.9 (4.3-5.6) | 0.33 |
  Triglyceride, mM | 1.4 (1.0-2.1) | 1.5 (1.1-2.4) | 1.3 (1.0-2.0) | <0.01 |
  LDL cholesterol, mM | 2.4±0.8 | 2.8±0.8 | 2.3±0.7 | <0.01 |
  HDL cholesterol, mM | 1.1±0.3 | 1.1±0.3 | 1.1±0.4 | 0.21 |
  Serum phosphate, mM | 2.0±0.5 | 2.0±0.5 | 2.0±0.6 | 0.18 |
  Serum corrected calcium, Mm | 2.2±0.2 | 2.3±0.2 | 2.2±0.2 | 0.17 |
  iPTH, pg/ml | 278.0 (138.5-572.4) | 333.6 (171. 5-589.2) | 260.1 (128.9-564.9) | 0.72 |
  Ferritin, ng/ml | 233.9 (97.3-513.1) | 157.5 (68.9-317.8) | 284.1 (115.1-593.0) | <0.01 |
Medication, n (%) | ||||
  ACE inhibitors / ARBs | 1217 (51.0) | 363 (59.2) | 854 (48.1) | <0.01 |
  β-blockers | 1106 (46.3) | 342 (55.8) | 764 (43.0) | <0.01 |
  calcium channel blockers | 1672 (70.0) | 475 (77.5) | 1197 (67.4) | <0.01 |
  erythropoietin | 2036 (85.3) | 546 (89.1) | 1490 (83.9) | <0.01 |
  calcitriol | 1004 (42.0) | 252 (41.1) | 752 (42.4) | 0.60 |
  phosphate-binding agents | 967 (40.5) | 255 (41.6) | 712 (40.1) | 0.54 |
  lipid-lowering drugs | 269 (11.3) | 118 (19.2) | 151 (8.5) | <0.01 |
  Aspirin | 180 (7.5) | 67 (10.9) | 113 (6.4) | <0.01 |