The British journal of dermatology · 2020
Association of blood mercury levels with nonmelanoma skin cancer in the U.S.A. using National Health and Nutrition Examination Survey data (2003-2016).
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Rhee J, Vance T M, Lim R, Christiani D C, Qureshi A A, Cho E
Аннотация
BACKGROUND: Some studies have reported increased incidence or mortality of lung and brain cancers associated with occupations involving potential mercury exposure. Epidemiological evidence related to skin cancer is also limited.
OBJECTIVES: To investigate the association between blood mercury (Hg) levels and nonmelanoma skin cancer (NMSC).
METHODS: We used National Health and Nutrition Examination Survey data from 2003 to 2016. The exposures were blood total (tHg), inorganic (iHg) and methylmercury (MeHg). The outcome was a self-reported diagnosis of NMSC. We included participants aged ≥ 20 years who had information on blood mercury and sociodemographic factors. We conducted a logistic regression analysis to estimate odds ratios (ORs) and 95% confidence intervals (CIs) for the risk of NMSC associated with quartiles of blood Hg, after adjusting for the sociodemographic factors and survey year.
RESULTS: The number of participants was 29 413; mean age was 49 years and 52% were female. Compared with those with a tHg ≤ 0·47 μg L-1 (Q1), those with a tHg > 1·74 μg L-1 (Q4) had nearly double the odds of NMSC (OR 1·79, 95% CI 1·19-2·71; Ptrend = 0·004). Similarly, those in the highest quartile of MeHg (> 1·44 μg L-1 ) had 1·7 times greater odds of NMSC (OR 1·74, 95% CI 1·13-2·70; Ptrend = 0·01) than those in the lowest quartile (≤ 0·21 μg L-1 ). iHg levels were nonsignificantly positively associated with NMSC (Ptrend = 0·08).
CONCLUSIONS: We found that higher blood tHg and MeHg levels were associated with a higher prevalence of NMSC. Linked Comment: Taylor. Br J Dermatol 2020; 183:413-414.
OBJECTIVES: To investigate the association between blood mercury (Hg) levels and nonmelanoma skin cancer (NMSC).
METHODS: We used National Health and Nutrition Examination Survey data from 2003 to 2016. The exposures were blood total (tHg), inorganic (iHg) and methylmercury (MeHg). The outcome was a self-reported diagnosis of NMSC. We included participants aged ≥ 20 years who had information on blood mercury and sociodemographic factors. We conducted a logistic regression analysis to estimate odds ratios (ORs) and 95% confidence intervals (CIs) for the risk of NMSC associated with quartiles of blood Hg, after adjusting for the sociodemographic factors and survey year.
RESULTS: The number of participants was 29 413; mean age was 49 years and 52% were female. Compared with those with a tHg ≤ 0·47 μg L-1 (Q1), those with a tHg > 1·74 μg L-1 (Q4) had nearly double the odds of NMSC (OR 1·79, 95% CI 1·19-2·71; Ptrend = 0·004). Similarly, those in the highest quartile of MeHg (> 1·44 μg L-1 ) had 1·7 times greater odds of NMSC (OR 1·74, 95% CI 1·13-2·70; Ptrend = 0·01) than those in the lowest quartile (≤ 0·21 μg L-1 ). iHg levels were nonsignificantly positively associated with NMSC (Ptrend = 0·08).
CONCLUSIONS: We found that higher blood tHg and MeHg levels were associated with a higher prevalence of NMSC. Linked Comment: Taylor. Br J Dermatol 2020; 183:413-414.