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The effect of intravenous vitamin C on vasopressor requirement and the SOFA score during the first 4 ICU days. (A) Daily vasopressor requirement in the vitamin C and control groups, calculated in norepinephrine equivalent doses. P=0.82 for intergroup difference in dose over time; (B) serial changes in SOFA scores from ICU day 1 according to treatment group. P=0.46 for intergroup difference in the score change over time. SOFA, Sepsis-related Organ Failure Assessment.
