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Table 5 Genotypic distribution of PTGS 2 SNPs in cases and controls

From: Polymorphisms in regulatory regions of Cyclooxygenase-2 gene and breast cancer risk in Brazilians: a case-control study

SNP Population N* Genotypic Distribution N (Freq) P χ2
rs689465    AA AG GG  
  Cases 290 202 (0.69) 83 (0.28) 5 (0.03) 0.927
  Controls 244 172 (0.70) 67 (0.27) 5 (0.03)  
rs689466    AA AG GG  
  Cases 289 224 (0.77) 62 (0.21) 3 (0.02) 0.968
  Controls 245 190 (0.77) 51 (0.21) 3 (0.02)  
rs20417    GG GC CC  
  Cases 308 157 (0.51) 127 (0.41) 24 (0.08) 0.731
  Controls 264 129 (0.49) 117 (0.44) 18 (0.07)  
rs5275    TT TC CC  
  Cases 294 125 (0.42) 149 (0.51) 20 (0.07) 0.046
  Controls 244 120 (0.49) 99 (0.41) 25 (0.10)  
  1. N: Number of examined samples (with available PCR amplification); * Differences in sample sizes for cases and controls are due to available data in each category. Freq: Frequency; P χ2: P from Chi-square test (Pearson p-value).