APOB and diabetes mellitus: The nomogram showed good consistency (Hosmer-Lemeshow <i>p</i> = 0.960/0.472), predictive efficacy (AUC = 0.785/0.744) and clinical net benefits in both sets.<h4>Conclusion</h4>Age, diabetes, HDL-C, ApoB/ApoA ratio and disease duration are key factors for SSNHL corticosteroid treatment prognosis.