RCAN2 and metabolic dysfunction-associated steatotic liver disease: The results revealed that best cutoff value for serum RCAN2 to predict NAFLD was 9.11 ng/ml (AUC = 0.663, 95% CI = 0.623–0.702, p = 0.000, sensitivity = 63.7%, specificity = 61.3%) (Figure 4A).