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. 2014 Oct 19;20:1977–1982. doi: 10.12659/MSM.892350

Table 2.

Pooled ORs and 95% CIs of the overall and stratified meta-analysis.

Variables No. of studies Codominant model: TC vs. TT Codominant model: CC vs. TT Dominant model: TC + CC vs. TT Recessive model: CC vs. TC+TT Allele: C vs. T
OR (95%CI) P value I2 (%) OR (95%CI) P value I2 (%) OR (95%CI) P value I2 (%) OR (95%CI) P value I2 (%) OR (95%CI) P value I2 (%)
All cancers 11 1.10 (1.02, 1.19) 0.009 34 1.06 (0.85, 1.33) 0.6 69 1.12 (1.00, 1.26) 0.06 59 0.99 (0.82, 1.20) 0.91 59 1.07 (0.97, 1.19) 0.18 70
Cancer type
Digestive tract cancer 6 1.10 (0.99, 1.22) 0.07 42 0.90 (0.67, 1.20) 0.46 61 1.07 (0.91, 1.26) 0.39 60 0.87 (0.74, 1.03) 0.1 47 1.01 (0.88, 1.16) 0.88 67
Breast cancer 2 1.04 (0.91, 1.20) 0.55 40 0.87 (0.70, 1.08) 0.21 6 1.02 (0.84, 1.25) 0.84 55 0.86 (0.70, 1.05) 0.14 0 0.98 (0.84, 1.15) 0.83 58
Nasopharyngeal carcinoma 1 1.37 (0.96, 1.98) 0.09 / 1.72 (0.99, 2.96) 0.05 / 1.44 (1.02, 2.03) 0.04 / 1.45 (0.87, 2.42) 0.15 / 1.33 (1.04, 1.70) 0.03 /
Osteosarcoma 1 1.77 (1.03, 3.03) 0.04 / 2.52 (1.25, 5.10) 0.01 / 1.96 (1.19, 3.24) 0.009 / 1.86 (0.98, 3.54) 0.06 / 1.68 (1.19, 2.39) 0.004 /
Renal cell cancer 1 1.10 (0.88, 1.36) 0.4 / 1.53 (1.07, 2.19) 0.02 / 1.17 (0.95, 1.43) 0.15 / 1.46 (1.04, 2.06) 0.03 / 1.18 (1.01, 1.37) 0.04 /
Ethnicity
Asian 9 1.13 (1.03, 1.24) 0.007 37 1.12 (0.84, 1.49) 0.44 72 1.16 (1.00, 1.33) 0.05 61 1.03 (0.81, 1.31) 0.83 64 1.10 (0.97, 1.25) 0.14 72
Caucasian 1 0.97 (0.81, 1.16) 0.74 / 0.81 (0.62, 1.05) 0.1 / 0.93 (0.79, 1.10) 0.41 / 0.82 (0.64, 1.04) 0.11 / 0.92 (0.81, 1.04) 0.16 /
African American 1 1.17 (0.94, 1.46) 0.17 / 1.03 (0.70, 1.51) 0.88 / 1.14 (0.93, 1.41) 0.21 / 0.96 (0.66, 1.39) 0.83 / 1.08 (0.91, 1.27) 0.38 /