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Title: A systematic review and meta-analysis of the relationship between body size and testicular cancer.
Authors: Lerro CC,  McGlynn KA,  Cook MB
Journal: Br J Cancer
Date: 2010 Oct 26
Branches: HREB
PubMed ID: 20978513
PMC ID: PMC2990613
Abstract: BACKGROUND: Studies assessing the relationships of anthropometry and testicular germ-cell tumour (TGCT) have reported heterogeneous findings. METHODS: We undertook a systematic review and meta-analysis of the associations between adult height, weight, body mass index (BMI), and testicular cancer. Search strategies were conducted in PubMed, EMBASE, Scopus, and Web of Science on 26 May 2009. Studies that met our inclusion criteria were included in meta-analytic models using STATA 11. RESULTS: A total of 3255 references were retrieved, of which 14 met the inclusion criteria. Random effects meta-analysis found adult height (odds ratio (OR) per 5-cm increase 1.13, 95% confidence interval (CI) 1.07-1.19, P<0.001) and weight (OR overweight vs normal 0.92, 95% CI 0.86-0.98, P=0.011) to be associated with TGCT. The meta-analysis of weight and TGCT produced a summary estimate, which indicated no association, although an analysis restricted studies to North American was suggestive of association (OR per 1-kg increase 1.01, 95% CI 1.00-1.01, P<0.001). CONCLUSIONS: This systematic review and meta-analysis has found evidence for a positive association of adult height and TGCT, and tentative evidence for an inverse association of BMI and TGCT.