type 2 diabetes mellitus and risk of malignant melanoma: a systematic review and meta-analysis of cohort studies.

نویسندگان

li qi 1. chongqing municipal center for disease control and prevention, chongqing, china ; 2. dept. of military epidemiology, third military medical university, chongqing, china.

xiaoling qi 1. chongqing municipal center for disease control and prevention, chongqing, china.

hongyan xiong 1. chongqing municipal center for disease control and prevention, chongqing, china.

qin liu 1. chongqing municipal center for disease control and prevention, chongqing, china.

چکیده

epidemiology studies have demonstrated inconsistent associations between type 2 diabetes mellitus and the risk of malignant melanoma. to this end, the aim was to perform a meta-analysis of cohort studies.medline, pubmed, embase and the cochrane library were searched up to february 2014. cohort studies addressing the relative risk of type 2 diabetes mellitus on malignant melanoma were included in this meta-analysis. the newcastle-ottawa scale was applied for quality evaluation. the pooled relative risks with the corresponding 95% confidence intervals (95% cis) were calculated by using random-effects or random-effects model. heterogeneity and publication bias were evaluated by i (2) and funnel plot analysis, respectively. data was analyzed using stata 11.0.a total of 9 independent cohorts from 8 manuscripts were entered this meta-analysis. type 2 diabetes mellitus was slightly associated with an increased risk of malignant melanoma, and the pooled relative risk was 1.15 (95% ci, 1.00-1.32) in diabetes compared with non-diabetes with significant evidence of heterogeneity among these studies (p=0.016, i (2) =57.6%). for the studies adjusted for age, gender and obesity, the relative risks were 1.21 (95% ci, 1.03-1.42), 1.17 (95% ci, 1.01-1.35) and 1.11 (95% ci, 1.00-1.24), respectively. for the population-based studies in which case cohort established, the relative risk was 1.85 (95% ci, 1.31-2.62).type 2 diabetes might be an independent risk factor for malignant melanoma. further studies are needed to specifically test the effect, and fully elucidate the underlying pathophysiologic mechanisms.

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عنوان ژورنال:
iranian journal of public health

جلد ۴۳، شماره ۷، صفحات ۸۵۷-۶۶

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