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Table 5 Independent determinants of higher peritoneal UA clearance (> 39.8 L/week/1.73m2) in binary logistic regression in total, lower and higher mGFR patients, respectively

From: Roles of peritoneal clearance and residual kidney removal in control of uric acid in patients on peritoneal dialysis

 TotalLower mGFR groupaHigher mGFR group
VariablesOR (95%CI)P valueOR (95%CI)P valueOR (95%CI)P value
mGFR (mL/min/1.73m2)0.96 (0.78, 1.18)0.68
Age (y)1.03 (1.00, 1.06)0.071.01 (0.97, 1.05)0.691.06 (1.01, 1.11)0.03
Sex (M/F)0.28 (0.12, 0.64)0.0030.28 (0.08, 1.00)0.050.28 (0.09,0.90)0.33
Using diuretics0.63 (0.22, 1.85)0.400.55 (0.11, 2.89)0.480.81 (0.17,3.77)0.78
Albumin (g/dL)0.16 (0.05, 0.49)0.0010.08 (0.01, 0.47)0.0060.31 (0.06,1.54)0.15
PD vintage (month)1.00 (0.98, 1.02)0.901.00 (0.98, 1.02)0.970.99 (0.90,1.09)0.82
BMI (kg/m2)0.77 (0.67, 0.89)0.0010.79 (0.63, 0.99)0.040.71 (0.57,0.89)0.003
Average glucose concentration of dialysate (0.1%)1.40 (1.07, 1.83)0.021.56 (1.11, 2.19)0.011.02 (0.58, 1.77)0.96
Higher peritoneal transport statusb4.48 (1.73,11.56)0.0023.90 (0.97, 15.67)0.065.65 (1.25,25.54)0.02
Dialysis dose (L/d)2.25 (1.23, 4.13)0.0092.16 (0.88, 5.35)0.102.12 (0.76,5.91)0.15
  1. Abbreviations: BMI body mass index, CI confidence interval, mGFR measured glomerular filtration rate, OR odds ratio, PD peritoneal dialysis, UA uric acid
  2. aDid not adjust mGFR when analyzing in the higher(> 2.74 mL/min/1.73m2) or lower (≤ 2.74 mL/min/1.73m2) mGFR group, respectively
  3. bThe reference group was the lower (low average or low) peritoneal transporters