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Table 2 Stratification analyses of genetic susceptibility of rs2234693 polymorphism to male infertility

From: Polymorphisms in estrogen receptors predict the risk of male infertility: a meta-analysis

Category Cases/controls CC vs. TT CT vs. TT CC + CT vs. TT CC vs. CT + TT C allele vs. T allele
   OR(95% CI) P a I 2 OR(95% CI) P a I 2 OR(95% CI) P a I 2 OR(95% CI) P a I 2 OR(95% CI) P a I 2
Total 774/841 0.72(0.54-0.96) 0.282 20.1 0.74(0.58-0.94) 0.533 0 0.73(0.58-0.91) 0.368 7.5 0.90(0.71-1.13) 0.465 0 0.84(0.71-1.01) 0.190 32.8
RACE                 
Asian 368/416 0.61(0.40-0.93) 0.670 0 0.67(0.49-0.93) 0.358 0 0.66(0.49-0.89) 0.593 0 0.83(0.58-1.18) 0.257 22.1 0.78(0.64-0.96) 0.681 0
Caucasian 406/425 0.83(0.46-1.23) 0.175 39.5 0.83(0.57-1.19) 0.460 0 0.81(0.58-1.14) 0.232 30 0.95(0.70-1.29) 0.395 0 0.87(0.64-1.18) 0.103 51.5
  1. I2: 0–25, no heterogeneity; 25–50, modest.
  2. aP value of Q-test for heterogeneity test.
  3. Bold numbers mean statistically significant results.