GPT2 and Alzheimer disease: As shown in Figures 4B, E, the AUCs of IDH3A, BAX, MRPS6, GPT2, and risk score for AD diagnosis were, respectively, 0.991, 0.964, 0.986, 0.951, and 1.000, indicating that the efficiency of these 4 hub MitoDEGs and the model were good.