GPT and Hepatitis: By univariate and multivariate regression analysis, age (OR = 1.049, p = 0.004), ALT (OR = 1.079, p = 0.002), GGT (OR = 1.031, p < 0.001), and platelet count (OR = 0.992, p = 0.017) were identified as the independent predictors of significant liver inflammation (Table 2).