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Impact of pathological results of (a) PHES, (b) CFF, (c) S-ANT1, and (d) CCHE score on risk of mortality (death/need for liver transplantation) in patient with low MELD score (<15). (a) P = 0.048, (b) P = 0.032, (c) P = 0.156, and (d) P = 0.001. CCHE, clinical covert hepatic encephalopathy score; CFF, critical flicker frequency; MELD, model of end-stage liver disease; PHES, Psychometric Hepatic Encephalopathy Score.
