2021
DOI: 10.1136/bmjopen-2020-046944
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Isolated oral clefts and school grades: population-based cohort study from Norway

Abstract: ObjectiveTo compare school grades of adolescents in Norway born with isolated cleft with those of their unaffected peers.DesignPopulation-based cohort study.SettingNorway.PatientsA total of 347 419 individuals born in Norway between 1986 and 1992, including 523 isolated cleft cases which were identified using data from Norway’s two treatment centres. Individuals were followed from birth through compulsory school.Main outcome measuresGrade point average (GPA) from middle school graduation (around the age of 16)… Show more

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Cited by 6 publications
(9 citation statements)
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“…No que tange o indivíduo e a escola, ela nega ter sido alvo de discriminação por parte dos professores e nunca deixou de ter frequentado a escola e jamais reprovou ou deixou alguma matéria pendente, entrando em contraste com o estudo de Grewal, et al (2021), porém de acordo com Gjerdevik, et al (2021).…”
Section: Resultsunclassified
“…No que tange o indivíduo e a escola, ela nega ter sido alvo de discriminação por parte dos professores e nunca deixou de ter frequentado a escola e jamais reprovou ou deixou alguma matéria pendente, entrando em contraste com o estudo de Grewal, et al (2021), porém de acordo com Gjerdevik, et al (2021).…”
Section: Resultsunclassified
“…Articles that examined outcomes of children with non‐isolated clefts (without separate assessment for children with isolated clefts), only considered subphenotypes of orofacial clefts such as laterality, did not include indicators of academic achievement, used clinical‐based samples, or were published prior to 2011 were excluded. One study by (Gjerdevik et al, 2021) was published online when writing this manuscript, after the initial database search was done, and the authors decided to include it given that it meets all the inclusion criteria. Gray literature was not searched.…”
Section: Methodsmentioning
confidence: 99%
“…One such difference is in results by cleft type. Some studies find no differences in academic outcomes between children with cleft lip only and children without clefts (e.gClausen et al, 2017; Gjerdevik et al, 2021]) while others report differences for children with cleft lip only (e.gFitzsimons et al, 2018; Persson et al, 2012; Wehby, Collet, et al, 2014]). However, most studies suggest that any differences are more pronounced for children with cleft palate only and in some studies also for children with cleft lip and palate than children with cleft lip only.…”
Section: Remaining Research Gaps and Recommendations For Future Researchmentioning
confidence: 99%
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