*Alleles Ethnicity/genetics *Genetic Association Studies *Genetic Predisposition to Disease Genotype Humans Male Odds Ratio *Polymorphism Single Nucleotide Prostate-Specific Antigen/*genetics Prostatic Hyperplasia/*genetics Publication Bias Risk Factors Bph Psa meta-analysis polymorphism

Asian People/genetics Carcinoma Renal Cell/genetics Female Genetic Association Studies/*methods Genetic Predisposition to Disease Humans Kidney Neoplasms/genetics Male *Polymorphism Single Nucleotide Prostatic Neoplasms/genetics Urinary Bladder Neoplasms/genetics Urogenital Neoplasms/*genetics Vascular Endothelial Growth Factor A/*genetics Meta-analysis Polymorphism Urologic neoplasms Vascular endothelial growth factors

*Genetic Association Studies *Genetic Predisposition to Disease Genotype Glutathione Transferase/*genetics Humans Odds Ratio *Polymorphism Genetic Publication Bias Risk Urinary Bladder Neoplasms/*genetics Bladder cancer Gstm1 Gstp1 Gstt1 Gene polymorphism Meta-analysis PUBLICATION: Not applicable. COMPETING INTERESTS: The authors declare that they have no competing interests. PUBLISHER’S NOTE: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Arylsulfotransferase/*genetics Case-Control Studies Genetic Association Studies Genetic Predisposition to Disease Genotype Humans NAD(P)H Dehydrogenase (Quinone)/*genetics Odds Ratio *Polymorphism Genetic Risk Factors Smoking/*adverse effects Urinary Bladder Neoplasms/enzymology/*genetics Nqo1 Sult1a1 meta-analysis polymorphisms smoking urinary bladder neoplasms

Acetylation Arylamine N-Acetyltransferase/*genetics/metabolism Asian People/genetics Case-Control Studies China/epidemiology Genetic Association Studies Genetic Predisposition to Disease Humans Odds Ratio Phenotype *Polymorphism Single Nucleotide Risk Assessment Risk Factors Urinary Bladder Neoplasms/enzymology/ethnology/*genetics

Biomarkers Tumor Case-Control Studies *DNA Methylation Death-Associated Protein Kinases/*genetics *Genetic Association Studies *Genetic Predisposition to Disease Humans Neoplasm Grading Neoplasm Staging Odds Ratio *Promoter Regions Genetic Publication Bias Risk Urinary Bladder Neoplasms/*epidemiology/*genetics/pathology

Case-Control Studies Catechol O-Methyltransferase/*genetics Genetic Association Studies Genetic Predisposition to Disease Genotype Humans Kidney Neoplasms/enzymology/*genetics Male Polymorphism Single Nucleotide Prostatic Neoplasms/enzymology/*genetics Risk Factors Urinary Bladder Neoplasms/enzymology/*genetics