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Keywords: Parkinson's disease; impulse control disorders; QUIP EN Parkinson's disease impulse control disorders QUIP 818 819 2 07/21/21 20210701 NES 210701 We appreciate the opportunity to respond to the comments on our recently published study1 and thank Jaakkola and Joutsa2 for their constructive discussion. We agree that the methodology used to detect impulse control disorders (ICDs) is crucial to estimate their prevalence. 3 Antonini A, Barone P, Bonuccelli U, Annoni K, Asgharnejad M, Stanzione P. ICARUS study: prevalence and clinical features of impulse control disorders in Parkinson's disease. [Extracted from the article]

Second, as the authors noted, studies investigating the prevalence have included a variable list of disorders in the prevalence rates. Keywords: Parkinson's disease; impulse control disorder; QUIP EN Parkinson's disease impulse control disorder QUIP 816 817 2 07/21/21 20210701 NES 210701 In a previous issue of I Mov Disord Clin Pract i , Parra-Díaz et al. published an article, entitled "Does the country make a difference in impulse control disorders? In addition, the sensitivity/specificity of the screening instruments can differ between ICD subtypes, which can be reflected in prevalence estimates of each ICD subtype, deferring direct comparisons of the reported percentages between subtypes. [Extracted from the article]