Seasonal variation in skin cancer diagnosis

Autor: Fortunato eBianconi, Giuseppe Michele Masanotti, Arcangelo eLiso, Francesco eLa Rosa, Emilio eDuca, Fabrizio eStracci
Jazyk: angličtina
Rok vydání: 2016
Předmět:
Zdroj: Frontiers in Public Health, Vol 4 (2016)
Druh dokumentu: article
ISSN: 2296-2565
DOI: 10.3389/fpubh.2016.00078
Popis: Purpose. Seasonality of skin cancer is well known and it is influenced by a number of variables such exposure and personal characteristics but also health service factors. We investigated the variations in the diagnosis melanoma skin cancer (MSC) and non-melanoma skin cancer (NMSC) during the year.Methods. We analyzed incident cases recorded in the Umbria Regional Cancer registry from 1994 to 2010 (1,745 cases of MSC, 50% females and 15,992 NMSC, 41% females). The Walter-Elwood test was used to as-sess seasonal effects. Relative risks were analyzed using negative binomial regression and splines. Results. Seasonality of MSC and NMSC was similar. Incidence peaks were observed in weeks 8, 24 and 43 (Feb-ruary, July and October) and troughs in weeks 16, 32, 1 and 52 (August and December). Both NMSC and MSC cancers showed most elevated risks in autumn. A seasonal effect was present for trunk (p
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