| Titre : | Estimating infra-national and national thyroid cancer incidence in France from cancer registries data and national hospital discharge database. (2007) |
| Auteurs : | Zoe Uhry ; Nicolas CARRE ; COLONNA (Marc) : FRA. Registre des cancers généraux de l'Isère. Meylan. ; COURIS (Chantal-Marie) : FRA. Département d'information médicale des Hospices Civils de Lyon. Lyon. ; GROSCLAUDE (Pascale) : FRA. Registre des cancers généraux du Tarn. Albi. ; Laurent Remontet ; VELTEN (Michel) : FRA. Registre des cancers généraux du Bas-Rhin. Strasbourg. ; Francim. Toulouse. FRA ; Hospices Civils de Lyon. Service de biostatistiques. Pierre Benite. FRA ; Institut de Veille Sanitaire. (I.N.V.S.). Département des maladies chroniques et des traumatismes. Saint Maurice. FRA |
| Type de document : | Article |
| Dans : | European journal of epidemiology (vol. 22, n° 9, 2007) |
| Pagination : | 607-614 |
| Langues: | Anglais |
| Mots-clés : | Estimation ; Incidence ; Cancer ; France ; Cancérologie ; Surveillance épidémiologique ; Epidémiologie ; Sortie ; Homme ; Europe ; Glande endocrine [pathologie] |
| Résumé : | [BDSP. Notice produite par INIST-CNRS Xb6R0xM7. Diffusion soumise à autorisation]. Objective : As in many countries, cancer registries cover only part of the population in France. Incidence/mortality ratio observed in registries is usually extrapolated to produce national estimates of cancer incidence. District-level estimates are not currently available. For cancer sites such as thyroid, the incidence/mortality ratio widely varies between districts, and alternative indicators must be explored. This study aims to produce national and district-level estimations of thyroid cancer incidence in France, using the ratio between incidence and hospital-based incidence. Methods : Analyses concerned population living in France and aged over 20, for the period 1998-2000. For each sex, number of incident cases were analysed according to number of surgery admissions for thyroid cancer (Poisson model) in the districts covered by a registry. Age was included in the model as fixed effect and district as random effect. The model's ability to predict incidence was tested through cross-validation. The model was then extrapolated to produce national incidence estimations, and for women, district-level estimations. Results : The national estimations of incidence rate age-standardised on the world population were 3.1 [95% prediction interval : 2.8-3.4] for men and 10.6 [9.8-11.4] for women, corresponding respectively to 1,148 [1,042-1,264] and 4,104 [3,817-4,413] annual new cases. For women, district-level incidence rates presented wide geographical variations, ranging broadly from 5 to 20 per 100,000. These estimations were quite imprecise, but their imprecision was smaller than the extent of geographical disparities. Conclusion : National incidence estimations obtained are relatively precise. District-level estimations in women are imprecise and should be treated carefully. They are informative though regarding the extent of geographical disparities. The approach can be useful to improve national incidence estimates and to produce district-level estimates for cancer sites presenting a high variability of the incidence/mortality ratio. |
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