Congenital heart disease

Elementary school performance of children with congenital heart disease: a Danish nationwide cohort study

Eur Heart J Qual Care Clin OutcomesPublished Danish nationwide cohort study

Authors' conclusion

School performance was impaired in all children with CHD, regardless of disease severity. These findings advocate for a better surveillance and school support for children with CHD to help improve their educational outcomes.

Study context

Population
Children with congenital heart disease who reached 16 years of age and attended an elementary school-leaving examination, Denmark, 2001 to 2022, and matched controls
Participants
10,717 vs 229,738
Exposure
Children with CHD compared with matched controls
  • CHDn = 10,717
  • Controlsn = 229,738reference
Outcome
Rank of mean exam score
Methodological detailsnationwide registries, matched controls
  • Nationwide registries
  • Matched controls

Main finding

As reported in the abstract

GroupValueMild CHDModerate CHDSevere CHD
CHDrank 0.47 (95% CI 0.46–0.48)0.48 (0.47-0.48)0.46 (0.45-0.47)0.44 (0.42-0.47)
Controlsrank 0.50 (95% CI 0.50–0.50)

Value

CHDrank 0.47 (95% CI 0.46–0.48)
Controlsrank 0.50 (95% CI 0.50–0.50)

Mild CHD

CHD0.48 (0.47-0.48)
Controls— not stated in the abstract

Moderate CHD

CHD0.46 (0.45-0.47)
Controls— not stated in the abstract

Severe CHD

CHD0.44 (0.42-0.47)
Controls— not stated in the abstract
Children with CHD ranked lower in the mean exam score compared with controls
all P < 0.0001

Observational data: associations, not effects.

Further findings

OutcomeCHDControlsaOR (95% CI)P value
Failing the examCHDvs controls27.5%19.0%1.45 (1.37–1.53)P < 0.0001
Failing the examMild CHDvs controls1.35 (1.26–1.44)
Failing the examModerate CHDvs controls1.54 (1.39–1.72)
Failing the examSevere CHDvs controls2.27 (1.86–2.77)

Factors associated with exam score and failing

Preterm birth, previous cardiac intervention, cardiopulmonary bypass, and hospitalization were associated with lower exam score and higher risk of failing the exam

School performance among CHD children over time · 2001 to 2022

Worsened from
0.49 (95% CI: 0.47-0.51)
To
0.47 (95% CI: 0.45-0.48)

Original publication

Elementary school performance of children with congenital heart disease: a Danish nationwide cohort study. Eur Heart J Qual Care Clin Outcomes. Published 1 September 2025. doi:10.1093/ehjqcco/qcaf080

Composed by AI from the published abstract and checked against it. How Briefs are made →

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