<unk>  is the most common spinal deformity. The prevalence of<unk>  is approximately 470-5200 per 100,000 individuals worldwide. Patients of all age groups may develop<unk> . Curves convex to the right are more common than those to the left, and single or 'C' curves are slightly more common than double or 'S' curve patterns.<unk>  usually affects individuals of African-American race  more than any other race. The female to male ratio is approximately 1.5-3 to 1 for idiopathic<unk> , whereas its equal gender predilection for congenital<unk> .
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