Aim: We aimed to determine the impact of diabetes mellitus (DM) on survival of patients with neuroendocrine tumors (NETs) and of NETs on glycemic control.
Patients & methods: Patients with newly diagnosed NETs with/without DM were matched 1:1 by age, sex and diagnosis year (2005-2017), and survival compared (Kaplan-Meier and Cox proportional hazards). Mixed models compared hemoglobin A1c (HbA1c) and glucose during the year after cancer diagnosis.
Results: Three-year overall survival was 72% (95% CI: 60-86%) for DM patients versus 80% (95% CI: 70-92%) for non-DM patients (p = 0.82). Hazard ratio was 1.33 (95% CI: 0.56-3.16; p = 0.51); mean DM HbA1c, 7.3%.
Conclusion: DM did not adversely affect survival of patients with NET. NET and its treatment did not affect glycemic control.
Keywords: cancer; endocrinology; prognostics.
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