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Table 3 Association of GSTP1 methylation and tumor stage/histological grade in breast cancer

From: Aberrant GSTP1 promoter methylation is associated with increased risk and advanced stage of breast cancer: a meta-analysis of 19 case-control studies

Study groups

Number

OR (95 % CI)

Heterogeneity

Ph

I2 (%)

χ 2

Stage

8

1.84 (1.32, 2.58)

0.20

29

9.81

Grade

5

0.74 (0.43, 1.26)

0.69

0

2.27

  1. N number of trials, OR odds ratio