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. 2017 May 17;14(1):79–86. doi: 10.3892/etm.2017.4463

Table IV.

Changes in urine paraquat concentration before and after blood perfusion in patients with acute paraquat poisoning.

Urine paraquat concentration (µg/ml) C0 C1 C4 Csec Rebound rate (%)
Mortality group (n=72)   48.67±17.27a   16.29±6.97a,b   0.66±0.32a,b   0.94±0.38a,b   39.80±28.56a
Survival group (n=51) 20.28±19.95 12.44±6.06b 0.25±0.13b 0.28±0.16b 13.71±18.97

Rebound rate was calculated as: Rebound rate=(Csec-C4)/C4).

a

P<0.01 vs. the survival group

b

P<0.01 vs. C0. C0, initial urine paraquat concentration; C1, urine paraquat concentration after a single hemoperfusion; C4, urine paraquat concentration after four rounds of hemoperfusion; Csec, urine PQ concentration the following day after hemoperfusion.