Is Knee Pain During Adolescence a Self-limiting Condition?

Background: The prevalence of adolescent knee pain is 33%, and patellofemoral pain (PFP) is the most common diagnosis with a nontraumatic onset. The 2-year prognosis of adolescent PFP compared with other types of knee pain is unknown. Purpose: To investigate the 2-year prognosis of knee pain among adolescents with and without a diagnosis of PFP. Study Design: Cohort study; Level of evidence, 2. Methods: In 2011, a cohort of 2200 adolescents aged...