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Surgeons develop classification system for early-onset scoliosis
A classification system was developed by a group of experienced surgeons to identify early-onset scoliosis. The system will serve as a guide for new research and clinical communication when treating the disorder.
Fifteen surgeons participated in a nominal group technique with the goal of developing a consensus-based classification system for early-onset scoliosis. During the course of three group meetings and two rounds of surveying, the surgeons generated a list of factors important to managing early-onset scoliosis using information gathered from a standard literature review, semi-structured interviews and open-forum discussion.
Three core variables — major curve angle, etiology and kyphosis — were identified using the nominal group technique. Thirty patients with early-onset scoliosis were then analyzed using the system for reliability testing.
According to the researchers, the mean kappa value for etiology was substantial at 0.64, whereas the mean kappa values for major curve angle and kyphosis were in nearly perfect agreement, at 0.95 and 0.93, respectively.
The surgeons’ final classification system consisted of continuous age prefix, etiology, major curve angle, kyphosis variables and an optional progression modifier.
Disclosure: The authors have no relevant financial disclosures.