How common is scoliosis?

About 1 in 100 (1%) of the general population has some type of scoliosis.1 Fortunately, most cases of scoliosis are mild.

Scoliosis usually starts between the ages of 8 and 10.2 Scoliosis that is bad enough to need treatment is most common in girls.3 The prevalence of scoliosis in female athletes may be even higher because they are at increased risk for muscle pain (nonstructural scoliosis) or spinal injury (structural scoliosis).4 Girls are seven times more likely than boys to have a significant curve that requires treatment.3

Mild or small curves are more common than moderate or severe curves. For example, about 0.2% of people with scoliosis have a curve of more than 30 degrees, and about 0.1% of people with scoliosis have a curve of more than 40 degrees. About 10% of children who are diagnosed with scoliosis require treatment (either bracing or surgery).5

Of those with scoliosis, 30% have family members with the condition.2 Children—especially daughters—of women who have scoliosis are at increased risk for having scoliosis.1



Author: Kathe Gallagher, MSWLast Updated: August 30, 2007
Medical Review: Michael J. Sexton, MD - Pediatrics
Thomas S. Renshaw, MD - Orthopedics

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