Relationship between Test Scores Using the Second and Third Editions of the Bayley Scales in Extremely Preterm Children

Objective To define the relationship between current Bayley Scales of Infant and Toddler Development, Third edition (Bayley-III) scores and the Bayley Scales of Infant Development, second edition Mental Development Index (MDI) to aid the comparison of population outcomes. Study design MDI and Bayley...

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Bibliographic Details
Published in:The Journal of pediatrics 2012-04, Vol.160 (4), p.553-558
Main Authors: Moore, Tamanna, BM, BS, MRCPCH, Johnson, Samantha, PhD, CPsychol, Haider, Sadia, PhD, Hennessy, Enid, MSc, Marlow, Neil, DM, FMedSci
Format: Article
Language:English
Subjects:
algorithms
Biological and medical sciences
Child, Preschool
children
Cognition
Developmental Disabilities - diagnosis
General aspects
Humans
infant development
Infant, Newborn
Infant, Premature
Infant, Premature, Diseases - diagnosis
Language Development
Medical sciences
Neuropsychological Tests
Pediatrics
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Summary:Objective To define the relationship between current Bayley Scales of Infant and Toddler Development, Third edition (Bayley-III) scores and the Bayley Scales of Infant Development, second edition Mental Development Index (MDI) to aid the comparison of population outcomes. Study design MDI and Bayley-III cognitive/language scales were administered concurrently in 185 extremely preterm children (≤26 weeks) at 29-41 months of age. Cognitive and language scores were combined (combined Bayley-III score [CB-III scores]) for comparison with MDI scores. Results Bayley-III cognitive and language scores were 10 and 3 points higher than MDI scores, respectively; CB-III scores were 7 points higher. The relationship between CB-III and MDI scores was not a simple offset: CB-III values were increasingly higher than MDI at lower scores. Bayley-III scores underidentified MDI scores
ISSN:0022-3476
1097-6833
DOI:10.1016/j.jpeds.2011.09.047