Brace wear control of curve progression in adolescent idiopathic scoliosis.

To The Editor: In the article entitled “Brace Wear Control of Curve Progression in Adolescent Idiopathic Scoliosis” (2010;92:1343-52), Katz et al. identified a correlation between greater brace wear time and lack of curve progression in patients with adolescent idiopathic scoliosis. However, one must question their conclusion that bracing controls scoliosis progression. A simple correlation does not prove a conclusion. Compliance may also …