| 
      
        |  | Gene | aSLE(32) | control(60) | OR | 95%CI | P value |  
        | ESR1 | TT | 7(21.9) | 6(10.0) | 1(reference) | - | - |  
        | TC | 14(43.8) | 28(46.7) | 0.889 | 0.375-2.107 | 0.829 |  
        | CC | 11(34.4) | 26(43.3) | 0.685 | 0.281-1.669 | 0.504 |  
        | T | 28/64(43.8) | 40/120(33.3) | 0.643 | 0.345-1.19 | 0.163 |  
        | C | 36/64(56.3) | 80/120(66.7) |  
        | ESR2 | GG | 17(53.1) | 14(23.3) | 1(reference) | - | - |  
        | GA | 13(40.6) | 14(23.3) | 2.248 | 0.891-5.669 | 0.097 |  
        | AA | 2(6.3) | 32(53.3) | 0.058 | 0.013-0.266 | 0.000* |  
        | G | 47/64(73.4) | 42/120(35.0) | 0.195 | 0.1-0.38 | 0.007* |  
        | A | 17/64(26.6) | 78/120(65.0) |  | 
  
    | *P is only statistically significant if ≤0.05 | 
  
    | Table 2: Comparison between aSLE patients and controls as regards the
    frequencies of ESR1 and ESR2 genotypes and alleles. |