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and a trend toward a reduced requirement for renal replacement therapy. Results ? 306 patients developed AKI in the first 2 study days and were included in our analysis. ? There were 137 in the fluidliberal arm and 169 in the fluidconservative arm (P ). Baseline characteristics were similar between groups. ? PostAKI fluid balance was significantly associated with mortality in both crude and adjusted analysis. ? Higher postAKI furosemide doses had a protective effect on mortality but no significant effect after adjustment for postAKI fluid balance. ? There was no threshold dose of furosemide above w