BACKGROUND/OBJECTIVES: Metastatic bone disease (MBD) poses an increasing challenge in orthopaedic oncology due to prolonged survival. While clinical prognostic factors are well established, the role of socio-economic determinants remains unclear, particularly within universal healthcare systems. METHODS: We retrospectively analysed 243 patients who underwent surgery for MBD (excluding spine) between 2005 and 2024 at a German sarcoma centre. Socio-economic indicators were derived from national databases and linked to patients' residential districts. Survival was analysed using Kaplan-Meier estimates and Cox regression, adjusting for clinical confounders. Patients from villages (<2000 inhabitants) and large cities (>100,000) had poorer survival than those from small or medium-sized towns. This effect persisted after adjustment for tumour type, pathological fractures, and year of surgery. CONCLUSIONS: Within a universal healthcare system, residential area size was associated with survival after surgery for MBD, suggesting that regional disparities may persist despite equal formal access to care. Further studies integrating individual-level socioeconomic data are needed to identify mechanisms and guide interventions to reduce geographic inequalities.
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Weschenfelder et al. (2025) studied this question.
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