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Research Letter
Nov 2012

Agreement Between Bayley Scales Second and Third Edition Assessments of Very Low-Birth-Weight Infants

Author Affiliations

Author Affiliations: Neonatal Section, Department of Pediatrics, Universidade Federal do Rio Grande do Sul and Hospital de Clinicas de Porto Alegre, Porto Alegre, Brazil (Drs Silveira, Filipouski, and Procianoy); and Department of Pediatrics, Wake Forest School of Medicine, Winston-Salem, North Carolina (Dr Goldstein and O’Shea).

Arch Pediatr Adolesc Med. 2012;166(11):1075-1076. doi:10.1001/archpediatrics.2012.732

The Bayley Scales of Infant Development (BSID) are the most widely used assessments to identify children with developmental delay. Between 1993 and 2006, the BSID–Second Edition (BSID-II)1 was used; in 2006, a third edition (BSID-III)2 was published.

Rather than the 2-factor model of the BSID-II that described mental and psychomotor development, the BSID-III purports to assess 5 separate areas: cognition, language, motor, social-emotional, and adaptive. The aim of this study was to compare the BSID-II Mental and Motor scale scores and the BSID-III Motor, Cognitive, and Language scale scores in a cohort of very low-birth-weight preterm infants.

This study was approved by our institutional ethics committee, and informed consent was obtained for all participants.

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