Alcohol drinking and cutaneous melanoma risk

A systematic review and dose-risk meta-analysis

M. Rota, E. Pasquali, R. Bellocco, V. Bagnardi, L. Scotti, F. Islami, E. Negri, P. Boffetta, C. Pelucchi, G. Corrao, C. La Vecchia

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

It has been suggested that alcohol intake increases sunburn severity, a major risk factor for cutaneous melanoma (CM). Several epidemiological studies have investigated the relationship between alcohol consumption and CM, but the evidence is inconsistent. Therefore, we aimed to quantify this relationship better, using a meta-analytical approach. The dose-risk relationship was also modelled through a class of flexible nonlinear meta-regression random effects models. The present meta-analysis included 16 studies (14 case-control and two cohort investigations) with a total of 6251 cases of CM. The pooled relative risk (RR) for any alcohol drinking compared with no/occasional drinking was 1·20 [95% confidence interval (CI) 1·06-1·37]. The risk estimate was similar in case-control (RR 1·20, 95% CI 1·01-1·44) and cohort studies (RR 1·26, 95% CI 1·19-1·35). The pooled RR was 1·10 (95% CI 0·96-1·26) for light alcohol drinking (≤ 1 drink per day) and 1·18 (95% CI 1·01-1·40) for moderate-to-heavy drinking. The pooled RR from 10 studies adjusting for sun exposure was 1·15 (95% CI 0·94-1·41), while the RR from six unadjusted studies was 1·27 (95% CI 1·20-1·35). No evidence of publication bias was detected. This meta-analysis of published data reveals that alcohol consumption is positively associated with the risk of CM. However, caution in interpreting these results is required, as residual confounding by sun exposure cannot be ruled out. What's already known about this topic? Alcohol drinking increases sunburn severity, a major risk factor for cutaneous melanoma. Several epidemiological studies have investigated the relationship between alcohol consumption and cutaneous melanoma, but the evidence is inconsistent. What does this study add? We found a 20% increased risk of cutaneous melanoma with regular alcohol drinking.

Original languageEnglish
Pages (from-to)1021-1028
Number of pages8
JournalBritish Journal of Dermatology
Volume170
Issue number5
DOIs
Publication statusPublished - 2014

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Alcohol Drinking
Meta-Analysis
Melanoma
Skin
Confidence Intervals
Sunburn
Solar System
Drinking
Epidemiologic Studies
Publication Bias
Case-Control Studies
Cohort Studies
Alcohols
Light

ASJC Scopus subject areas

  • Dermatology
  • Medicine(all)

Cite this

Alcohol drinking and cutaneous melanoma risk : A systematic review and dose-risk meta-analysis. / Rota, M.; Pasquali, E.; Bellocco, R.; Bagnardi, V.; Scotti, L.; Islami, F.; Negri, E.; Boffetta, P.; Pelucchi, C.; Corrao, G.; La Vecchia, C.

In: British Journal of Dermatology, Vol. 170, No. 5, 2014, p. 1021-1028.

Research output: Contribution to journalArticle

Rota, M, Pasquali, E, Bellocco, R, Bagnardi, V, Scotti, L, Islami, F, Negri, E, Boffetta, P, Pelucchi, C, Corrao, G & La Vecchia, C 2014, 'Alcohol drinking and cutaneous melanoma risk: A systematic review and dose-risk meta-analysis', British Journal of Dermatology, vol. 170, no. 5, pp. 1021-1028. https://doi.org/10.1111/bjd.12856
Rota, M. ; Pasquali, E. ; Bellocco, R. ; Bagnardi, V. ; Scotti, L. ; Islami, F. ; Negri, E. ; Boffetta, P. ; Pelucchi, C. ; Corrao, G. ; La Vecchia, C. / Alcohol drinking and cutaneous melanoma risk : A systematic review and dose-risk meta-analysis. In: British Journal of Dermatology. 2014 ; Vol. 170, No. 5. pp. 1021-1028.
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abstract = "It has been suggested that alcohol intake increases sunburn severity, a major risk factor for cutaneous melanoma (CM). Several epidemiological studies have investigated the relationship between alcohol consumption and CM, but the evidence is inconsistent. Therefore, we aimed to quantify this relationship better, using a meta-analytical approach. The dose-risk relationship was also modelled through a class of flexible nonlinear meta-regression random effects models. The present meta-analysis included 16 studies (14 case-control and two cohort investigations) with a total of 6251 cases of CM. The pooled relative risk (RR) for any alcohol drinking compared with no/occasional drinking was 1·20 [95{\%} confidence interval (CI) 1·06-1·37]. The risk estimate was similar in case-control (RR 1·20, 95{\%} CI 1·01-1·44) and cohort studies (RR 1·26, 95{\%} CI 1·19-1·35). The pooled RR was 1·10 (95{\%} CI 0·96-1·26) for light alcohol drinking (≤ 1 drink per day) and 1·18 (95{\%} CI 1·01-1·40) for moderate-to-heavy drinking. The pooled RR from 10 studies adjusting for sun exposure was 1·15 (95{\%} CI 0·94-1·41), while the RR from six unadjusted studies was 1·27 (95{\%} CI 1·20-1·35). No evidence of publication bias was detected. This meta-analysis of published data reveals that alcohol consumption is positively associated with the risk of CM. However, caution in interpreting these results is required, as residual confounding by sun exposure cannot be ruled out. What's already known about this topic? Alcohol drinking increases sunburn severity, a major risk factor for cutaneous melanoma. Several epidemiological studies have investigated the relationship between alcohol consumption and cutaneous melanoma, but the evidence is inconsistent. What does this study add? We found a 20{\%} increased risk of cutaneous melanoma with regular alcohol drinking.",
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AU - Islami, F.

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AU - La Vecchia, C.

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