S100A9 and chronic obstructive pulmonary disease: Sure enough, among them, the AUC value of S100A9 was 0.887, the AUC value of MYH2 was 0.877, and the AUC value of Nomogram was 0.889, suggesting that Nomogram has a robust diagnostic value for COPD-associated NASH disease (Figures 8B–D).