Risk of subsequent attention deficit-hyperactivity disorder in children with febrile seizures

Yi Chia Ku, Chih Hsin Muo, Chin Shein Ku, Chao Huei Chen, Wen Yuan Lee, Ein Yiao Shen, Yen Jung Chang, Chia Hung Kao

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

Objective: In this study, we obtained relevant data from a nationwide cohort database to investigate the risk of attention deficit-hyperactivity disorder (ADHD) in children with a history of febrile seizures (FS). Methods: We identified 1081 children with FS as the case cohort, and the date of diagnosis was used as an index date. Four controls were matched randomly with each case based on age, sex, urbanisation level, parents' occupation, and index date. We applied Cox's proportional hazards regression to estimate the HR and CI of FS-associated ADHD. Results: After 11 years of follow-up, the incidence of ADHD for the FS and control cohorts is 7.83 and 4.72 per 1000 person-years, respectively. The FS cohort was 1.66 times more at risk of ADHD occurrence (95% CI 1.27 to 2.18) than the control cohort. The risk of developing ADHD increased in conjunction with the frequency of FS-related visits. Conclusions: FS may increase the risk of subsequent ADHD occurrence in children. Children who visited physicians for FS more than twice had a significantly higher cumulative incidence of ADHD.

Original languageEnglish
Pages (from-to)322-326
Number of pages5
JournalArchives of Disease in Childhood
Volume99
Issue number4
DOIs
Publication statusPublished - 2014 Apr

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

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