Reply to the letter to the editor: Bilateral femoroacetabular impingement: What is the fate of the asymptomatic hip?

Abstract

We thank Dr. Kohno for his interest in our article and for pointing out some important questions that would be beneficial to the surgeons who treat hip pain in young adults. We defined developmental dysplasia of the hip (DDH) as a lateral center-edge angle that is less than 20°, and borderline dysplasia as a lateral center-edge angle between 20° and 25°