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Table 1 Demographics characteristics of participants

From: Direct arterial puncture for hemodialysis, a neglected but simple and valuable vascular access

Items DAP (n=38) AVF (n=374) AVG (n=33) CVC (n=81) P
Gender, n (%)      0.009
 Male 29(76.3) 220(58.8) 16(48.5) 37(45.7)  
 Female 9(23.7) 154(41.2) 17(51.5) 44(54.3)  
Age, year, mean±SD 58.95±11.86 58.66±14.34 66.39±13.57 62.44±17.25 0.009
BMI, mean±SD 21.20±3.76 21.77±3.99 21.40±3.15 20.83±2.95 0.204
Primary disease, n(%)      <0.001
 Chronic glomerulonephritis 15(39.5) 126(33.7) 7(21.2) 8(9.9)  
 Diabetic nephropathy 8(21.1) 99(26.5) 11(33.3) 43(53.1)  
 Hypertensive nephropathy 5(13.2) 70(18.7) 7(21.2) 12(14.8)  
 Obstructive nephropathy 5(13.2) 61(16.3) 8(24.2) 8(9.9)  
 Others 5(13.2) 18(4.8) 0(0.0) 10(12.3)  
 CCI, median (IQR) 3(2,5) 3(2,3) 3(2,4) 3(2,4) 0.012
 Blood pump flow speed, ml/min, mean±SD 224.21±26.57 217.83±19.09 212.12±15.36 200.25±10.24 <0.001
 ALB, g/L, mean±SD 35.96±4.42 36.86±2.80 36.37±2.18 35.83±2.71 0.014
 Hemoglobin, g/L, mean±SD 108.24±15.75 108.12±12.39 107.27±10.86 108.06±12.33 0.986
 WBC,10^9/L, mean±SD 5.94±2.18 6.16±2.31 6.48±2.31 6.19±2.70 0.812
 PLT,10^9/L, mean±SD 171.66±68.48 175.99±49.11 173.06±55.07 175.23±42.69 0.954
 CRP, mg/L, median (IQR) 5.3(1.00, 12.50) 3.27(1.40,7.10) 2.66(0.88,8.22) 5.90(2.00,8.00) 0.095
 Calcium, mmol/L, mean±SD 2.26±0.18 2.30±0.20 2.30±0.16 2.27±0.19 0.567
 Potassium, μmol/L, mean±SD 4.68±0.63 4.76±0.71 4.81±0.64 4.66±0.69 0.589
 Phosphate, μmol/L, mean±SD 1.84±0.53 1.90±0.57 1.82±0.45 2.00±0.57 0.306
 iPTH, pg/ml, median (IQR) 241.60(135.70, 355.90) 312.50(168.35,538.85) 335.5(198.80,618.10) 286.50(141.10,426.50) 0.572
 UA, μmol/L, mean±SD 440.22±112.15 462.93±99.74 437.47±78.36 448.85±123.20 0.359
 LDL,mmol/L, mean±SD 2.80±1.43 2.63±0.87 2.40±0.76 2.52±0.87 0.228
  1. DAP Direct arterial puncture; AVF Arteriovenous Fistula; AVG Arteriovenous Graft; CVC Central Venous Catheter; SD Standard deviation; BMI Body mass index; IQR Interquartile range; CCI Charlson Comorbidity Index; ALB Albumin Hemoglobin; WBC White blood cell; PLT Platelet count; CRP C-reactive protein; iPTH Intact parathyroid hormone; UA Uric acid; LDL Low-density lipoprotein