Fig. 2From: Patient and caregiver experiences with pantothenate kinase-associated neurodegeneration (PKAN): results from a patient community surveyRespondent age at diagnosis (years) according to PKAN phenotype. Respondents were grouped into classic (pink) and atypical (green) PKAN phenotype groups based on their reported age of onset (classic, < 10 years). Respondents who were unable to provide an age of onset were grouped as “not sure” (purple, n = 16). PKAN = pantothenate kinase-associated neurodegenerationBack to article page