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. 2018 Nov 30;38(6):BSR20180694. doi: 10.1042/BSR20180694

Table 4. Subgroup analysis: meta-analysis results according to the type of cancer.

Subgroup OR (95%CI) PZ PH I2 (%) Effects model
Breast cancer
Dominant model (GG vs GA+AA) 2.75 (1.54–4.90) 0.0006 0.73 0% Fixed
Recessive model (GG+GA vs AA) 0.59 (0.37–0.95) 0.03 0.38 0% Fixed
Co-dominant model (GG vs GA) 0.41 (0.23–0.74) 0.003 0.60 0% Fixed
Co-dominant model (GG vs AA) 0.28 (0.14–0.56) 0.0003 0.81 0% Fixed
Allele model (A vs G) 0.61 (0.46–0.82) 0.001 0.68 0% Fixed
Allele model (G vs A) 1.63 (1.22–2.19) 0.001 0.68 0% Fixed
Colorectal cancer
Dominant model (GG vs GA+AA) 0.53 (0.35–0.80) 0.002 0.78 0% Fixed
Recessive model (GG+GA vs AA) 1.81 (0.66–4.99) 0.25 0.13 56% Random
Co-dominant model (GG vs GA) 1.74 (1.14–2.67) 0.01 0.58 0% Fixed
Co-dominant model (GG vs AA) 2.46 (1.34–4.51) 0.004 0.32 0% Fixed
Esophageal cancer
Dominant model (GG vs GA+AA) 0.44 (0.15–1.26) 0.13 0.010 85% Random
Recessive model (GG+GA vs AA) 1.51 (1.05–2.16) 0.03 0.98 0% Fixed
Co-dominant model (GG vs GA) 2.11 (0.65–6.88) 0.22 0.005 87% Random
Co-dominant model (GG vs AA) 2.51 (1.10–5.71) 0.03 0.09 64% Random
Cervical cancer
Dominant model (GG vs GA+AA) 0.92 (0.64–1.32) 0.64 0.34 0% Fixed
Recessive model (GG+GA vs AA) 1.52 (0.60–3.90) 0.38 0.005 87% Random
Co-dominant model (GG vs GA) 0.93 (0.63–1.37) 0.71 0.88 0% Fixed
Co-dominant model (GG vs AA) 1.45 (0.55–3.85) 0.46 0.02 81% Random

Abbreviations: PZ, P-value for Z-test; PH, P-value for heterogeneity. Statistically significant values shown in bold.