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Table 2 Summary of Hardy–Weinberg Equilibrium test and allelic and genotypic frequencies genotypes for CXCL9-11 polymorphisms in HCV-infected patients compared to Iberian population (data from HapMap) (http://browser.1000genomes.org/index.html)

From: CXCL9-11 polymorphisms are associated with liver fibrosis in patients with chronic hepatitis C: a cross-sectional study

SNPs HCV cohort (n = 389) IBS group (n = 107) χ2 testa χ2 testb
HWE Alleles Genotype HWE Alleles Genotype p value p value
CXCL9 rs10336 0.738 A 41% AA 16% 0.677 A 45% AA 22% 0.568 0.556
   G 59% AG 50%   G 55% AG 46%   
     GG 34%     GG 32%   
CXCL10 rs3921 0.841 C 41% CC 16% 0.884 C 45% CC 21% 0.568 0.653
   G 59% CG 49%   G 55% CG 47%   
     GG 35%     GG 32%   
CXCL11 rs4619915 0.841 A 41% AA 16% 0.884 A 44% AA 21% 0.668 0.650
   G 59% AG 49%   G 56% AG 45%   
     GG 35%     GG 34%   
  1. Statistical: p values were calculated by Chi squared test
  2. HWE Hardy–Weinberg Equilibrium, HCV hepatitis C virus, IBS Iberian populations in Spain, CXCL chemokine (C-X-C motif) ligand
  3. aDifferences between allele frequencies
  4. bDifferences between genotype frequencies