Document Detail

Gestational age and basic school achievements: a national follow-up study in Denmark.
MedLine Citation:
PMID:  21059721     Owner:  NLM     Status:  In-Process    
OBJECTIVE: Children born at <32 weeks' gestation are at increased risk of intellectual impairment. Few studies have focused on the majority of preterm children born at 32 to 36 weeks' gestation. We aimed to investigate the association between the full range of gestational ages at birth and the risk of not completing basic school.
METHODS: This longitudinal, register-based study included all live-born infants in Denmark from 1988 to 1989. Data were obtained from national registers. School achievements were evaluated by using the examination marks. The association between gestational age and not completing basic school was estimated, taking into account the effect of their parents' educational level, being small for gestational age, plurality, and cerebral palsy.
RESULTS: The cohort constituted 120,585 infants, of whom 118,281 (98.6%) were alive in 2007. Of these infants, 5.01% (n = 5.928) were born before 37 weeks' gestation. Of the subjects born before 37 weeks' gestation, 11.5% (95% confidence interval: 10.7-12.4) did not complete basic school compared with 7.5% (95% confidence interval: 7.3-7.6) of those born at term. The percentage of subjects who did not complete basic school increased with decreasing gestational age. The increase was steeper at <31 weeks (4.2% per week) than at 31 to 36 weeks' gestation (0.5% per week).
CONCLUSIONS: The risk of not completing basic school increased with decreasing gestational age. The risk was moderate at ≥31 weeks' gestation and increased steeply at <31 weeks' gestation. The increase at <31 weeks' gestation was only partly explained by cerebral palsy.
René Mathiasen; Bo M Hansen; Anne-Marie N Nybo Andersen; Julie L Forman; Gorm Greisen
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-11-08
Journal Detail:
Title:  Pediatrics     Volume:  126     ISSN:  1098-4275     ISO Abbreviation:  Pediatrics     Publication Date:  2010 Dec 
Date Detail:
Created Date:  2010-12-02     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0376422     Medline TA:  Pediatrics     Country:  United States    
Other Details:
Languages:  eng     Pagination:  e1553-61     Citation Subset:  AIM; IM    
Department of Neonatology, Copenhagen University Hospital, Rigshospitalet, Blegdamsvej 9, 2100 Copenhagen Ø, Denmark.
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