Table 3.

Regression analyses of factors associated with phosphate metabolism in KT recipients (n=229)

Independent VariablesSerum PhosphateFePiLog PTHLog FGF-23
UnivariateMultivariateUnivariateMultivariateUnivariateMultivariateUnivariateMultivariate
Log durationa0.2 (0.002)0.24 (0.005)0.02 (0.78)−0.13 (0.048)−0.15 (0.009)0.006 (0.93)
Calcium−0.18 (0.008)−0.012 (0.88)0.06 (0.38)0.01 (0.86)0.02 (0.8)
Phosphate0.02 (0.78)0.05 (0.5)0.13 (0.045)0.15 (0.1)
Log PTH0.05 (0.5)0.43 (<0.001)0.32 (<0.001)0.25 (<0.001)0.32 (0.001)
Log FGF-230.13 (0.045)0.15 (0.1)0.18 (0.006)−0.05 (0.55)0.26 (<0.001)0.17 (0.006)
1,25-OH-D−0.12 (0.2)0.13 (0.16)−0.26 (0.004)−0.15 (0.09)0.03 (0.77)−0.33 (<0.001)−0.32 (0.001)
25-OH-D−0.01 (0.89)−0.05 (0.47)−0.22 (0.001)−0.2 (0.001)−0.05 (0.47)
eGFR−0.36 (<0.001)−0.36 (<0.001)−0.55 (<0.001)−0.34 (<0.001)−0.35 (<0.001)−0.13 (0.053)−0.29 (<0.001)−0.04 (0.71)
FePi0.02 (0.78)0.43 (<0.001)0.32 (<0.001)0.18 (0.006)−0.03 (0.73)
  • Results are presented as correlation coefficient (P value). Only variables that have significant association with P<0.2 were included in multivariate analysis.

  • a Duration of KT.