IL6 and scoliosis: In conclusion, the homozygous GG genotype of IL-6 was associated with a higher risk of scoliosis (GG versus CC, OR: 3.5; 95% CI: 1.54–7.98) and the presence of the G allele (G versus C, OR: 2.02; 95% CI: 1.35–3.03) could be considered as susceptibility factor to IS.