<![CDATA[Diabetes Mellitus (DM) remains a major public health concern in Indonesia, with a steadily increasing prevalence. One of the most serious complications of DM is diabetic foot ulcer infection, which contributes to increased morbidity, prolonged hospitalization, and reduced quality of life. Effective management of diabetic ulcer infections requires not only multidisciplinary healthcare interventions but also adequate self-efficacy, positive self-concept, and effective self-management among patients. The study aimed to examine the relationship between diabetic ulcer infection and self-efficacy, self-concept, and self-management among patients with Type 2 Diabetes Mellitus. This quantitative study employed a cross-sectional design. A total of 30 patients with Type 2 Diabetes Mellitus and diabetic ulcer infections were recruited using purposive sampling at Pasar Rebo Regional General Hospital. Data were collected using the Diabetes Management Self-Efficacy Scale (DMSES), Tennessee Self-Concept Scale (TSCS), Diabetes Self-Management Questionnaire (DSMQ), and the Wagner Classification Scale for diabetic ulcer assessment. Significant relationships were found between diabetic ulcer infection severity and self-efficacy, self-concept, and self-management (p < 0.05). Self-efficacy and self-management demonstrated strong correlations with ulcer severity, while self-concept showed a moderate correlation. Self-efficacy, self-concept, and self-management are significantly associated with diabetic ulcer infection severity among patients with Type 2 Diabetes Mellitus. Enhancing these factors may improve diabetic ulcer management and patient outcomes.]]>
