Figure 2: Amino acid profile from various conditions of patients with HBV infection. In each cluster, the columns indicate: 1, healthy donors; 2, acute hepatitis B (AHB); 3, moderate chronic hepatitis B (CHB-m); 4, heavy chronic hepatitis B (CHB-h); 5, liver cirrhosis (LC) (compensated or decompensated); 6, severe chronic hepatitis B (CHB-s). #p>0.05; *p<0.05; **p<0.01; ***p<0.001 vs the healthy donor group (modified from [49]).