Cost-effectiveness of transient elastography for liver fibrosis screening in Thai patients with diabetes mellitus

Figure 1 Models. A: Decision tree; B: Markov model. In the decision tree, the decision node is represented by a square symbol, while chance nodes are depicted using circle symbols. In the Markov model, rounded rectangles represent possible metabolic dysfunction-associated steatotic liver disease-related health states of the patients. The "death" health states encompass mortality from all causes. Arrows indicate the possible pathways that patients may transition through within the model. Solid line arrows represent transitional probabilities, dashed arrows represent those transit to the death states. ¹Test results from transient elastography. ²Outcomes following true positive (TP) and false negative (FN) results from transient elastography. ³Outcomes following false positive (FP) and true negative (TN) results from transient elastography. ⁴Outcomes of patients with scores below the cutoff values of the scoring systems. CVD: Cardiovascular disease; F: Fibrosis stage; HCC: Hepatocellular carcinoma; M: Markov; MASLD: Metabolic dysfunction-associated steatotic liver disease.