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Table 2 Pooled ORs and 95 % CIs of the association between ADIPOQ rs2241766 polymorphism and breast cancer

From: Associations between ADIPOQ rs2241766 SNP and breast cancer risk: a systematic review and a meta-analysis

Total and subgroups Studies TT vs. TG + GG TT +TG vs. GG T vs. G
OR (95 %CI) P values for OR I2 OR (95 %CI) P values for OR I2 OR (95 %CI) P values for OR I2
Total 8 1.2 (0.77-1.89) 0.417 84.20 % * 1.05 (0.71-1.56) 0.805 16.00 % 1.17 (0.79-1.74) 0.437 84.30 % *
Ethnicity           
Asian 3 1.48 (1.08-2.05) 0.016 0.00 % 1.26 (0.61-2.59) 0.551 0.00 % 1.36 (1.04-1.78) 0.024 0.00 %
Non-Asian 5 0.83 (0.70-0.99) 0.040 88.00 % * 0.97 (0.61-1.56) 0.913 36.10 % 1.04 (0.57-1.87) 0.907 88.70 % *
Source of control          
HB 5 1.06 (0.58-1.95) 0.085 89.10 % * 1.00 (0.65-1.54) 0.997 33.30 % 1.06 (0.60-1.84) 0.849 89.50 % *
PB 3 1.49 (1.01-2.18) 0.041 0.00 % 1.37 (0.50-3.77) 0.539 0.00 % 1.36 (0.99-1.88) 0.056 0.00 %
Case size           
<100 4 1.08 (0.78-1.50) 0.655 74.00 % * 0.95 (0.39-2.31) 0.912 19.10 % 1.04 (0.57-1.88) 0.907 74.70 %
>100 4 0.92 (0.77-1.09) 0.329 90.50 % * 1.08 (0.69-1.68) 0.740 37.30 % 1.31 (0.72-2.37) 0.378 90.60 % *
Control size          
<100 3 1.67 (1.01-2.77) 0.046 0.00 % * 0.98 (0.64-1.49) 0.347 20.10 % 1.52 (1.00-2.30) 0.047 0.00 %
>100 5 0.90 (0.77-1.05) 0.183 86.90 % * 1.74 (0.55-5.50) 0.922 0.00 % 1.07 (0.67-1.72) 0.770 87.20 % *
  1. HB Hospital-based, PB population-based, ORs odds ratios, CIs confidence interval; * p values for I2 less than 0.05