Regarding portal fibrosis, median TB at the time of LT (P = 0.024), experience of rejection (P = 0.031), experience of PTLD (P = 0.015), median number of events with AST/ALT above 50 U/L (P = 0.010) and 100 U/L (P = 0.042) showed significant differences among different scores. Here, GPT is linked to tuberculosis.