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. Author manuscript; available in PMC: 2023 Jul 19.
Published in final edited form as: Am J Kidney Dis. 2009 Apr 25;53(6):1042–1049. doi: 10.1053/j.ajkd.2009.01.265

Table 4.

In Vitro KoA Values

MW Daltons KoA F180NR ml/min KoA F200NR ml/min

Urea 60 1196 ± 46 1275 ± 52
PCS 188 819 ± 9 865 ± 23
IS 213 791 ± 18 848 ± 33
KYNA 189 692 ± 18 748 ± 24
Hippurate 179 674 ± 17 b 729 ± 27 b

Values are mean ± sd. MW; molecular weight.

a

, p < 0.05 F200NR vs. F180NR;

b

, p < 0.05 vs. urea. Abbreviations: UN, urea nitrogen; PCS, p-cresol-sulfate; IS, indoxyl sulfate; KYNA, kynurenic acid.