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Incidence and survival rates for adult malignant neuro-epithelial brain tumors in the Somme county (France): A retrospective, population-based study from 2003 to 2013

Abstract : Aims: To describe the incidence and survival rates for neuro-epithelial primary brain tumors (NPBTs) in adults in the Somme county between 2003 and 2013. Methods: By analyzing the Somme Cancer Registry, we calculated the age-standardized incidence rates (ASRs) for NPBTs. Independent effects of age, gender and period of diagnosis on the incidence were evaluated in a Poisson regression analysis. A Cox proportional hazards model was used to adjust the overall survival rates for age, gender, histologic group and period. Results: Of the 257 registered NPBTs, 193 (75.1%) were astrocytic tumors. The subpopulations most affected by NPBTs were men (incidence rate ratio (IRR) [95% confidence interval (CI)] females/males = 0.7 [0.55-0.90], p < 0.001) and the elderly (IRR [95% CI] = 1.02 [1.01-1.03] per year increment, p < 0.001). The ASR [95% CI] was 4.5 [3.9-5.1] cases per 100,000 person-years. The increase in incidence [95%CI] between 2003 and 2013 was estimated to be 7.6% [3.4-11.2%] per year (p < 0.001). Survival improved significantly between the 2003-2008 period and the 2009-2013 period (hazard ratio [95%CI] = 0.70 [0.50-0.96], p = 0.03). Conclusion: We observed an increase in the incidence of NPBTs and in survival rates between 2009 and 2013. These increases might have been due to broader, earlier access to diagnostic tools and/or improvements in treatment procedures.
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https://hal-u-picardie.archives-ouvertes.fr/hal-03598675
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Soumis le : mercredi 8 juin 2022 - 15:43:40
Dernière modification le : mardi 20 septembre 2022 - 03:15:25
Archivage à long terme le : : vendredi 9 septembre 2022 - 19:24:53

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D. Bello Roufai, P. Caillet, Bénédicte Lapôtre-Ledoux, Eric Trecherel, L. Bauchet, et al.. Incidence and survival rates for adult malignant neuro-epithelial brain tumors in the Somme county (France): A retrospective, population-based study from 2003 to 2013. Journal of Cancer Policy, Elsevier, 2018, 15, Part A, pp.5-9. ⟨10.1016/j.jcpo.2017.11.001⟩. ⟨hal-03598675⟩

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