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    Diet quality is associated with primary melanoma thickness

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    Authors
    Hughes, M.
    Malt, M.
    Khosrotehrani, K.
    Smithers, B. M.
    Green, Adèle C
    Affiliation
    Population Health Department, QIMR Berghofer Medical Research Institute, Brisbane, Australia
    Issue Date
    2022
    
    Metadata
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    Abstract
    Background: Patients' diets can influence the outcome of several common cancers, but the effect on melanoma prognosis is unknown. Objective: To assess the association between quality of melanoma patients' prediagnosis diets and primary tumour thickness, the main prognostic indicator for melanoma. Methods: We used baseline data from patients newly diagnosed with tumour stage Ib to IV cutaneous melanoma, with completed questionnaires about food intake in the past year and other factors. Diet quality was measured by the Healthy Eating Index (HEI) and melanoma thickness was extracted from histopathology reports. We estimated prevalence ratios (PRadj ) and 95% confidence intervals (CIs) adjusted for confounding factors using Poisson regression models to assess associations between HEI scores and melanoma thickness. Results: Of 634 study patients, 238 (38%) had melanomas >2 mm thick at diagnosis. Patients with the highest HEI scores were significantly less likely to be diagnosed with thick melanoma than patients with lowest HEI scores (PRadj 0.93, 95% CI 0.86-0.99) (Ptrend = 0.03). There was no evidence of effect modification by age, sex, previous melanoma or comorbidities. Conclusions: Melanoma thickness at diagnosis is significantly associated with quality of patients' diets before diagnosis.
    Citation
    Hughes MCB, Malt M, Khosrotehrani K, Smithers BM, Green AC. Diet quality is associated with primary melanoma thickness. Journal of the European Academy of Dermatology and Venereology. Wiley; 2022.
    Journal
    Journal of the European Academy of Dermatology and Venereology
    URI
    http://hdl.handle.net/10541/625283
    DOI
    10.1111/jdv.18174
    PubMed ID
    35462440
    Additional Links
    https://dx.doi.org/10.1111/jdv.18174
    Type
    Article
    Language
    en
    ae974a485f413a2113503eed53cd6c53
    10.1111/jdv.18174
    Scopus Count
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