FABP2 and Cirrhosis: The level of I-FABP in the blood of patients with cirrhosis directly correlated with the abundance of Anaerostipes, Bacteroidia, Bacteroidota, Bilophila, Megamonas, and Selenomonadaceae; and inversely correlated with the abundance of Brucella, Pseudomonadaceae, Pseudomonas, and Vibrionaceae in the gut microbiota.