Meta-analysis of the association between the CCND1 G870A polymorphism and colorectal cancer risk.

ChiH2 and PH: chi-squared and P values of the Q-test of heterogeneity; HNPCC: hereditary nonpolyposis colorectal cancer; sCRC: sporadic colorectal cancer; sCC: sporadic colonic cancer; PB: population-based study; HB: hospital-based study; PCR: polymerase chain reaction; RFLP: restriction fragment length polymorphism; SSCP: single-stranded conformation polymorphism; HPLC: high-performance liquid chromatography; PE: Egger’s test in each model; Y: yes; *: pooled OR was replaced with RD.