Table 3. The correlations between hemodialysis type, uremic toxins, and inflammatory markers.

	Vascular access	Synthetic membrane use	High flux dialysis	Total IS	Total PCS	hs-CRP	IL-1β	IL-6	TNF-α
Vascular access	—	−0.125	−0.101	−0.122	−0.083	−0.093	−0.046	0.049	−0.043
Synthetic membrane use	−0.125	—	0.865***	0.195***	−0.029	−0.060	−0.016	−0.106	−0.082
High flux dialysis	−0.101	0.865***	—	0.159**	−0.052	−0.028	0.005	−0.065	0.089
Total IS (mg/L)	−0.122	0.195***	0.159**	—	0.292***	−0.011	0.013	−0.062	−0.062
Total PCS (mg/L)	−0.083	−0.029	−0.052	0.292***	—	0.039	−0.102	0.074	0.093
hs-CRP (mg/L)	−0.093	−0.060	−0.028	−0.011	0.039	—	−0.033	0.407***	0.264***
IL-1β (ng/L)	−0.046	−0.016	0.005	0.013	−0.102	−0.033	—	0.004	−0.022
IL-6 (ng/L)	0.049	−0.106	−0.065	−0.062	0.074	0.407***	0.004	—	0.478***
TNF-α (ng/L)	−0.043	−0.082	0.089	−0.062	0.093	0.264***	−0.022	0.478***	—

*p value<0.1.

** p value<0.05.

***p value<0.01.

Abbreviations: IS, indoxyl sulfate; PCS: p-cresol sulfate; hs-CRP, high sensitive C-reactive protein; IL-1β, interleukin −1 beta; IL-6, interleukin 6; TNF-α, tumor necrosis factor- alpha.