Journal article
Cognitive outcomes in children and adolescents born very preterm: a meta-analysis
Developmental Medicine & Child Neurology, Vol.60(5), pp.452-468
2018
Abstract
Aim
To estimate the association between very preterm birth (<32wks' gestation) and intelligence, executive functioning, and processing speed throughout childhood and adolescence, and to examine the effects of gestational age, birthweight, and age at assessment.
Method
Studies were included if children were born at earlier than 32 weeks’ gestation, aged 4 to 17 years, had an age-matched term control group, and if the studies used standardized measures, were published in an English-language peer-reviewed journal, and placed no restrictions on participants based on task performance.
Results
We evaluated 6163 children born very preterm and 5471 term-born controls from 60 studies. Children born very preterm scored 0.82 SDs (95% confidence interval [CI] 0.74–0.90; p<0.001) lower on intelligence tests, 0.51 SDs (95% CI 0.44–0.58; p<0.001) lower on measures of executive functioning, and 0.49 SDs (95% CI 0.39–0.60; p<0.001) lower on measures of processing speed than term-born controls. Gestational age and birthweight were associated with study effect size in intelligence and executive functioning of younger children only. Age at assessment was not associated with study effect size.
Interpretation
Children born very preterm have medium to large deficits in these cognitive domains.
What this paper adds
This meta-analysis is centred on very preterm birth and three cognitive domains.
The three critical cognitive domains are intelligence, executive functioning, and processing speed.
Details
- Title
- Cognitive outcomes in children and adolescents born very preterm: a meta-analysis
- Authors/Creators
- C.R. Brydges (Author/Creator) - The University of Western AustraliaJ.K. Landes (Author/Creator) - Murdoch UniversityC.L. Reid (Author/Creator) - University of EdinburghC. Campbell (Author/Creator) - King Edward Memorial HospitalN. French (Author/Creator) - King Edward Memorial HospitalM. Anderson (Author/Creator) - Murdoch University
- Publication Details
- Developmental Medicine & Child Neurology, Vol.60(5), pp.452-468
- Publisher
- Wiley
- Identifiers
- 991005542442807891
- Copyright
- © 2018 Mac Keith Press
- Murdoch Affiliation
- School of Psychology and Exercise Science
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- Domestic collaboration
- International collaboration
- Citation topics
- 1 Clinical & Life Sciences
- 1.72 Obstetrics & Gynecology
- 1.72.748 Neonatal Intensive Care
- Web Of Science research areas
- Clinical Neurology
- Pediatrics
- ESI research areas
- Neuroscience & Behavior