Table 3.

Correlations among the measured parameters in CKD patients at before- and after-dialysis settings

Parameters	Duration	Lactate	Pyruvate	Lactate/Pyruvate ratio	HIF-1α	VEGF	TAC	Total peroxides
Lactate
Before dialysis	−0.208(0.197)
After dialysis	−0.184(0.256)
Pyruvate
Before dialysis	−0.193(0.234)	0.282(0.078)
After dialysis	−0.095(0.580)	0.533(0.001)
Lactate/pyruvate ratio
Before dialysis	−0.067(0.640)	0.513(0.001)	−0.457(0.003)
After dialysis	−0.037(0.824)	0.212(0.188)	−0.630(0.001)
HIF-1α
Before dialysis	0.677 (0.001)	0.125(0.442)	−0.149(0.359)	0.220(0.173)
After dialysis	−0.186(0.249)	0.048(0.770)	0.015(0.929)	0.229(0.156)
VEGF
Before dialysis	−0.486(0.001)	0.291(0.069)	0.316(0.047)	0.027(0.866)	0.374(0.018)
After dialysis	0.189 (0.243)	0.125 (0.441)	0.059(0718)	0.098(0.545)	−0.163(0.314)
TAC
Before dialysis	0.265 (0.098)	−0.174(0.283)	−0.147(0.366)	−0.142(0.384)	0.068(0.676)	−0.206(0.202)
After dialysis	0.022 (0.894)	0.048(0.771)	−0.148(0.361)	0.105(0.517)	−0.220(0.173)	−0147(0.366)
Total peroxides
Before dialysis	−0.017(0.918)	−0.032(0.843)	−0.194(0.230)	0.128(0.430)	−0.138(0.394)	0.229(0.156)	−0.247(0.124)
After dialysis	0.283 (0.077)	0.036(0.825)	0.070(0.668)	−0.204(0.207)	−0.529(0.001)	−0.006(0.972)	0.168(0.301)
Oxidative stress index
Before dialysis	−0.093(0.566)	−0.002(0.989)	0.161(0.322)	0.156(0.337)	−0.172(0.287)	0.245(0.128)	−0.469(0.002)	0.969(0.001)
After dialysis	0.285 (0.075)	0.015(0.929)	0.113(0.489)	−0.240(0.136)	−0.459(0.003)	0.062(0.705)	−0.155(0.340)	0.944(0.001)

Data shown are r value (P< value). HIF-1α= hypoxia induced factor-1α, VEGF= vascular endothelial growth factor. TAC = total antioxidant capacity.