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Table 1 Baseline characteristics

From: Dialysate interleukin-6 predicts increasing peritoneal solute transport rate in incident peritoneal dialysis patients

Characteristic Total (n=88) Biocompatible (n=42) Control (n=46) P values
Age (yr) 62 (51–69) 64 (51–70) 60 (51–67) 0.28
Female 39 (44.32) 18 (42.86) 21 (45.65) 0.79
Ethnicity     0.21
- Caucasian 65 (73.86) 34 (80.95) 31 (67.39)  
- ATSI 3 (3.41) 1 (2.38) 2 (4.35)  
- Asian 16 (18.18) 7 (16.67) 9 (19.57)  
- MPI 4 (4.55) 0 (0) 4 (8.69)  
Diabetes Mellitus 28 (31.82) 12 (28.57) 16 (34.78) 0.53
Primary renal disease     0.16
- Glomerulonephritis 21(23.86) 9 (21.43) 12(26.09)  
- Diabetic nephropathy 22 (25.00) 7 (16.67) 15 (32.61)  
- Hypertensive/Renovascular 15 (17.05) 7 (16.67) 8 (17.39)  
- Polycystic kidney disease 8 (9.09) 5 (11.90) 3 (6.52)  
- Reflux nephropathy 4 (4.55) 4 (9.52) 0 (0.00)  
- Other 18 (20.45) 10 (23.81) 8 (17.39)  
Body mass index (kg/m2)     0.54
- <20 2 (2.27) 0 (0) 2 (4.35)  
- 20-24.9 25 (28.41) 13 (30.95) 12 (26.09)  
- 25-30 32 (36.36) 16 (38.10) 16 (34.78)  
- >30 29 (32.95) 13 (30.95) 16 (34.78)  
Haemodialysis before PD 4 (4.55) 2 (4.76) 2 (4.35) 0.93
Initial PD modality     0.79
- CAPD 81 (92.05) 39 (92.86) 42 (91.30)  
- APD 7 (7.95) 3 (7.14) 4 (8.70)  
GFR (mL/min per 1.73 m2) 7.40 ± 2.85 7.28 ± 2.58 7.51 ± 3.09 0.72
Urine volume (mL/day) 1379.50 (1057.5-1900) 1573 (1060–2059) 1325 (1055–1810) 0.25
7.5% Icodextrin use (%) 11 (12.50) 5 (11.90) 6 (13.04) 0.87
Ultrafiltration# (mL/day) 959.50 (510–1400) 800 (430–1300) 1050 (773–1500) 0.03
Normalized ultrafiltration corrected for total glucose exposure# 4.08 (2.21-6.04) 3.18 (1.78-4.19) 4.59 (3.17-7.45) 0.002
Total glucose exposure (g/day) 122.52 ± 32.44 122.38 ± 32.35 122.65 ± 32.90 0.97
D:PCr4h * 0.64 ± 0.10 0.67 ± 0.11 0.61 ± 0.09 0.006
IL-6 (pg/mL) 7.22 (3.93-13.71) 7.61 (4.66-19.98) 6.42 (3.29-9.63) 0.17
IL-6 Appearance rate^ 23.19 (13.66-59.35) 27.14 (14.12-67.27) 21.90 (13.66-35.01) 0.45
  1. #Measured at month 3; *Measured at month 1; ^IL-6 appearance rate = IL-6*effluent volume/dwell time in minutes.
  2. APD: automated peritoneal dialysis; ATSI: Aboriginal and Torres Strait Islander; CAPD: continuous ambulatory peritoneal dialysis; D:PCr4h: dialysate:plasma creatinine ratio measured at 4 hours; GFR: glomerular filtration rate; IL-6: interleukin-6; MPI: Maori & Pacific Islander; PD: peritoneal Dialysis.