GPT and pulmonary arterial hypertension: ALT and AST were correlated with hospital mortality within the total PPH group (ALT: model 2, OR = 1.00, 95% CI = 1.00–1.01, p = 0.036; AST, model 1: OR = 1.00, 95% CI = 1.00–1.01, p = 0.029, model 2: OR = 1.00, 95% CI = 1.00–1.01, p = 0.003).