Evidence map›Paper›PMID 33944988›Full record

ArticleEuropean child & adolescent psychiatry2022

Tic disorders in children and adolescents: does the clinical presentation differ in males and females? A report by the EMTICS group.

Blanca Garcia-Delgar, Mateu Servera, Barbara J Coffey, Luisa Lázaro, Thaïra Openneer, Noa Benaroya-Milshtein, Tami Steinberg, Pieter J Hoekstra, Andrea Dietrich, Astrid Morer and 1 more

Open access · bronzeAbstract readMulticenter Study
PubMed Publisher
In one paragraph

Article in European child & adolescent psychiatry, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
41citing papers in PubMed, 1 pooled it
5.9field-weighted citation impact, top 3% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

41 citing papers in PubMed, 1 synthesis or guideline pooled it, 60 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Tourette syndrome.Nature reviews. Disease primers · 2026
    Review
  4. Article
  5. Article
  6. Article
  7. Update on the Pathophysiology and Management of Tics.Current neurology and neuroscience reports · 2026
    Review
  8. Article
  9. Article
  10. Article
  11. Observational
  12. Identifying Distinct Tourette Disorder Subtypes using Clinical Data.medRxiv : the preprint server for health sciences · 2025
    Article
  13. Article
  14. Article
  15. Article
  16. Article
  17. Article
  18. Sex Differences in Histamine Regulation of Striatal Dopamine.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025
    Article
  19. Review
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors at 7 institutions in 4 countries.

Blanca Garcia-DelgarDepartment of Child and Adolescent Psychiatry and Psychology, Institute of Neurosciences, Hospital Clinic Universitari, c/ Villarroel 170, Section 11 Floor 3, 08036, Barcelona, Spain. bgarciad@clinic.cat.ORCID http://orcid.org/0000-0003-0681-354X
Mateu ServeraDepartments of Psychology and Research Institute on Health Sciences, University of the Balearic Islands, Palma, Spain.
Barbara J CoffeyDivision of Child and Adolescent Psychiatry, Department of Psychiatry and Behavioral Sciences, Leonard M. Miller School of Medicine, University of Miami, Miami, FL, USA.
Luisa LázaroDepartment of Child and Adolescent Psychiatry and Psychology, Institute of Neurosciences, Hospital Clinic Universitari, c/ Villarroel 170, Section 11 Floor 3, 08036, Barcelona, Spain.
Thaïra OpenneerDepartment of Child and Adolescent Psychiatry, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
Noa Benaroya-MilshteinChild and Adolescent Psychiatry Department, Schneider Children's Medical Center of Israel, affiliated to Sackler Faculty of Medicine, Tel Aviv University, Petah-Tikva, Israel.
Tami SteinbergChild and Adolescent Psychiatry Department, Schneider Children's Medical Center of Israel, affiliated to Sackler Faculty of Medicine, Tel Aviv University, Petah-Tikva, Israel.
Pieter J HoekstraDepartment of Child and Adolescent Psychiatry, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
Andrea Dietrich *Department of Child and Adolescent Psychiatry, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
Astrid Morer *Department of Child and Adolescent Psychiatry and Psychology, Institute of Neurosciences, Hospital Clinic Universitari, c/ Villarroel 170, Section 11 Floor 3, 08036, Barcelona, Spain.
EMTICS collaborative group
University Medical Center Groningen · NLTel Aviv University · ILCentro de Investigación Biomédica en Red de Salud Mental · ESHospital Clínic de Barcelona · ESHealth Research Institute of the Balearic Islands · ESHospital Universitari de Vic · ESUniversity of Miami · US

Funding

Seventh Framework Programme 278367
6 · The paper itself

Abstract

Tic disorders have a strong male predominance, with a male-to-female ratio of 4:1 in Tourette syndrome (TS) and 2:1 in persistent tic disorders. In other neurodevelopmental conditions, such as autism spectrum disorder (ASD) and attention-deficit/hyperactivity disorder (ADHD), the disparity in sex distribution has been partially related to differences in symptom presentation between males and females. In tic disorders, however, little research has been conducted on this topic, probably due to the limited access to large samples with a significant proportion of females. The aim of this study was to describe sex differences in the clinical presentation of tic disorders in children and adolescents in one of the largest pediatric samples with TS/persistent tic disorders (n = 709, 23.3% females) recruited as part of the European Multicenter Tics in Children Study (EMTICS). Validated measures assessed the severity of tics and comorbid psychiatric symptoms. Using mixed-effect models, we found that sex had a significant influence on the severity of tics, ADHD symptoms, ASD symptoms, and emotional problems. Males had more severe symptoms than females, except for emotional problems. We also observed a statistically significant interaction between sex and age on the severity of tics and compulsions, with females showing higher symptom severity with increasing age than males. These findings indicate that the clinical presentation of TS/persistent tic disorders varies with sex. Males seem to exhibit a more noticeable pattern of clinical symptoms at a younger age that may contribute to their earlier detection in comparison to females.

Indexed as

Attention Deficit Disorder with HyperactivityAutism Spectrum DisorderTic DisordersTicsTourette SyndromeAdolescentChildComorbidityFemaleHumansMaleSeverity of Illness IndexAdolescentsChildrenSex differencesTourette syndrome

Identifiers

PMID33944988
OpenAlexW3159941794

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.