Isolated oral clefts and school grades: population-based cohort study from Norway.

ABSTRACT:

Objective

To compare school grades of adolescents in Norway born with isolated cleft with those of their unaffected peers.

Design

Population-based cohort study.

Setting

Norway.

Patients

A 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 measures

Grade point average (GPA) from middle school graduation (around the age of 16). Specific subject grades were also investigated.

Results

Using a grade scale from 1-6, the observed mean GPA for the reference group was 3.99. Both cleft lip only (CLO) and cleft lip with cleft palate (CLP) had a mean GPA similar to

SUBMITTER: Gjerdevik M 

PROVIDER: S-EPMC8493916 | biostudies-literature | 2021 Oct

REPOSITORIES: biostudies-literature