Intelligence and Academic Achievement of Adolescents with Craniofacial Microsomia.
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ABSTRACT: BACKGROUND:The authors compared the IQ and academic achievement of adolescents with craniofacial microsomia (cases) and unaffected children (controls). Among cases, the authors analyzed cognitive functioning by facial phenotype. METHODS:The authors administered standardized tests of intelligence, reading, spelling, writing, and mathematics to 142 cases and 316 controls recruited from 26 cities across the United States and Canada. Phenotypic classification was based on integrated data from photographic images, health history, and medical chart reviews. Hearing screens were conducted for all participants. RESULTS:After adjustment for demographics, cases' average scores were lower than those of controls on all measures, but the magnitude of differences was small (standardized effect sizes, -0.01 to -0.3). There was little evidence that hearing status modified case-control group differences (Wald p > 0.05 for all measures). Twenty-five percent of controls and 38 percent of cases were classified as having learning problems (adjusted OR, 1.5; 95 percent CI, 0.9 to 2.4). Comparison of cases with and without learning problems indicated that those with learning problems were more likely to be male, Hispanic, and to come from lower income, bilingual families. Analyses by facial phenotype showed that case-control group differences were largest for cases with both microtia and mandibular hypoplasia (effect sizes, -0.02 to -0.6). CONCLUSIONS:The highest risk of cognitive-academic problems was observed in patients with combined microtia and mandibular hypoplasia. Developmental surveillance of this subgroup is recommended, especially in the context of high socioeconomic risk and bilingual families. Given the early stage of research on craniofacial microsomia and neurodevelopment, replication of these findings is needed. CLINICAL QUESTION/LEVEL OF EVIDENCE:Risk, II.
SUBMITTER: Speltz ML
PROVIDER: S-EPMC5657387 | biostudies-literature | 2017 Sep
REPOSITORIES: biostudies-literature
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