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Table 3 Multilevel linear regression of change in peritoneal solute transport rate in incident peritoneal dialysis patients

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

  Full model Final model
Variable Coefficient Standard error P values Coefficient Standard error P values
Log10 IL-6 0.02 0.006 0.002 0.02 0.006 0.004
PD solution       
- Control Reference Reference Reference Reference Reference Reference
- Biocompatible −0.05 0.02 0.005 −0.05 0.02 0.005
PD duration       
- 12 month Reference Reference Reference Reference Reference Reference
- 24 month 0.05 0.01 <0.001 0.05 0.01 <0.001
Age 0.0002 0.0007 0.74    
Male −0.03 0.02 0.06    
BMI (kg/m2):    0.11    
- <20 Reference Reference Reference    
- 20-24.9 0.03 0.06 0.59    
- 25-30 0.02 0.06 0.71    
- >30 0.07 0.06 0.25    
Two-way interaction (PD duration*PD solution)# −0.04 0.01 0.008 −0.04 0.01 0.007
Ethnicity    0.31    
- Caucasian Reference Reference Reference    
- Asian −0.02 0.02 0.44    
- ATSI −0.08 0.05 0.09    
- MPI 0.01 0.04 0.74    
  1. IL-6: Interleukin-6; PD: peritoneal dialysis; BMI: body mass index; ATSI: Aboriginal and Torres Strait Islander; MPI: Maori and Pacific Islander.
  2. #Represents interaction between month 12 and use of biocompatible PD solution use; interaction term from month 24 omitted because of collinearity.