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Annals of Oncology Advance Access originally published online on July 27, 2006
Annals of Oncology 2006 17(9):1459-1463; doi:10.1093/annonc/mdl166
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© 2006 European Society for Medical Oncology

epidemiology

Body size and laryngeal cancer risk

W Garavello1,2, G Randi1, C Bosetti1,*, L Dal Maso3, E Negri1, L Barzan4, S Franceschi5 and C La Vecchia1,6

1 Istituto di Ricerche Farmacologiche "Mario Negri", Milan
2 Clinica Otorinolaringoiatrica, DNTB, Università Milano-Bicocca, Monza (MI)
3 Unità di Epidemiologia e Biostatistica, Centro di Riferimento Oncologico, Aviano (PN)
4 Divisione di Otorinolaringoiatria, Azienda Ospedaliera "S. Maria degli Angeli", Pordenone, Italy
5 International Agency for Research on Cancer, Lyon Cedex, France
6 Istituto di Statistica Medica e Biometria, Università degli Studi di Milano, Milan, Italy

*Correspondence to: Dr C. Bosetti, Istituto di Ricerche Farmacologiche "Mario Negri", Via Eritrea 62 – 20157 Milan, Italy; Tel: +39 0239014.526; Fax: +39 0233200231; E-mail: bosetti{at}marionegri.it

Background: A few studies have analyzed the role of lifetime anthropometric measures on laryngeal cancer risk.

Patient and methods: This relation was investigated using a multicentre case-control study from Italy, conducted between 1992 and 2000, and including 460 incident, histologically confirmed laryngeal cancer cases, and 1088 controls admitted to the same network of hospitals as cases for acute, non neoplastic condition. Odds ratios (OR) and corresponding 95% confidence intervals (CI) were obtained from multiple logistic regression, including terms for major confounding factors, such as physical activity and energy intake.

Results: An inverse association with laryngeal cancer risk was found for body mass index (BMI) in both sexes (OR for the lowest compared to the highest quintile was 1.47, 95% CI 0.93–2.33 in men and 8.11, 95% CI 1.38–47.66 in women) and for BMI at age 50 years (OR=1.65, 95% CI 0.88–3.11) in men and 7.84, 95% CI 0.69–88.58 in women). An inverse association was also observed with waist-to-hip ratio (WHR) at diagnosis in men only (OR=4.56, 95% CI 2.62–7.95 for the lowest compared to the highest quintile).

Conclusions: This study supports the existence of a relation between leanness and laryngeal cancer risk. In particular, men with less abdominal fat (characterized by a lower WHR) had an increased risk of laryngeal cancer.

Key words: body mass index, case-control study, laryngeal cancer, risk factors


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