Indoxyl Sulfate Elimination in Renal Replacement Therapy: Influence of Citrate- versus Acetate-Buffering Component during Bicarbonate Dialysis

Table 4

Calculated values in anuric patients and patients retaining residual diuresis.

Treatment modality	Difference in IS/TPROT ratio (μmol/g)	values between RRT procedures	Difference in IS/TPROT ratio (μmol/g)	values between RRT procedures
	In anuric patients		In patients retaining residual diuresis
ACET-HD	1.70 (1.02; 2.58)	^a versus ^b < 0.001^c0.041^d < 0.001	0.77 (0.43; 1.45)	^a versus ^b0.002^c n.s.^d0.002
CIT-HD	0.44 (0.20; 0.79)	^b versus ^c < 0.001^dn.s.	0.18 (0.0; 0.36)	^b versus ^c < 0.001^dn.s.
ACET-HDF	1.43 (0.75; 1.99)	^c versus ^d < 0.001	0.70 (0.44; 1.41)	^c versus ^d < 0.001
CIT-HDF	0.54 (0.27; 1.11)		0.37 (0.26; 0.72)

^a = ACET-HD; ^b = CIT-HD; ^c = ACET-HDF; ^d = CIT-HDF.