Ontology highlight
ABSTRACT: Background
The first systematic description of tics in a large sample was in 1978.Objectives
To assess the phenomenology of tics in youth and investigate how age and sex influence tic phenomenology.Methods
Children and adolescents with primary tic disorders have been prospectively included in our Registry in Calgary, Canada, since 2017. We examined tic frequency and distribution using the Yale Global Tic Severity Scale, differences between sexes, and changes in tic severity with age and with mental health comorbidities.Results
A total of 203 children and adolescents with primary tic disorders were included (76.4% males; mean age = 10.7 years, 95% CI = 10.3-11.1). At first assessment, the most common simple motor tics were eye blinking (57%), head jerks/movem
SUBMITTER: Nilles C
PROVIDER: S-EPMC10187015 | biostudies-literature | 2023 May
REPOSITORIES: biostudies-literature