Results of meta-analysis of GSTM1 null polymorphism.

<p>Results of meta-analysis of GSTM1 null polymorphism.</p

Results of meta-analysis of GSTT1 null polymorphism.

<p>Results of meta-analysis of GSTT1 null polymorphism.</p

Results of meta-analysis of APC promoter hypermethylation.

<p>Results of meta-analysis of APC promoter hypermethylation.</p

Results of meta-analysis of GSTP1 hypermethylation.

<p>Results of meta-analysis of GSTP1 hypermethylation.</p

Main Results of meta-analysis.

*<p>HRs and 95%CIs in the random-effect model are: 1.29(0.97, 1.71), 1.33(0.94, 1.9), 1.85(1.12, 3.06), and 1.53(0.67, 3.49) for GSTM1, GSTP1 GG vs. AA,, APC and RAR(beta), respectively.</p

Flow chart of literature selection.

<p>Flow chart of literature selection.</p

Results of meta-analysis of RAR-beta hypermethylation.

<p>Results of meta-analysis of RAR-beta hypermethylation.</p

Characteristics of individual studies included in this meta-analysis.

<p>BCR: biochemical recurrence; Non-BCR: patients without biochemical recurrence; qmPCR: Quantitative methylation-specific PCR; reqPCR: Restriction endonuclease quantitative PCR; NA: not available.</p>*<p>Caucasian 91%, African-American 9% for BCR and Caucasian 97%, African-American 3% for Non-BCR.</p>**<p>Caucasian 82%, African-American 18% for BCR and Caucasian 82%, African-American 12%, Asian 6% for Non-BCR.</p

Characteristics of patients involved in individual studies.

<p>BCR: biochemical recurrence; Non-BCR: patients without biochemical recurrence; NA: not available.</p

Results of meta-analysis of GSTP1 AG vs. AA polymorphism.

<p>Results of meta-analysis of GSTP1 AG vs. AA polymorphism.</p