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Underestimation of Developmental Delay by the New Bayley-III Scale

Underestimation of Developmental Delay by the New Bayley-III Scale ARTICLE Underestimation of Developmental Delay by the New Bayley-III Scale Peter J. Anderson, PhD; Cinzia R. De Luca, PhD; Esther Hutchinson, DPsych; Gehan Roberts, PhD; Lex W. Doyle, MD, FRACP; and the Victorian Infant Collaborative Group Objective: To assess the ability of the third edition of Results: Follow-up rates of both cohorts were high the Bayley Scales of Infant and Toddler Development (92%). Mean values for all composite and subtest scores (Bayley-III) to detect developmental delay in 2-year-old for the extremely preterm/extremely low-birth-weight children who were extremely preterm and those carried group were significantly below those of the control group to term. (P .001), with the magnitude of all group differences being in excess of two-thirds SD. Mean values for the ex- Design: Prospective cohort study. tremely preterm/extremely low-birth-weight group ap- proached the normative mean, but in contrast, the mean Setting: The state of Victoria, Australia. values for the control group were higher than expected, with composite scores being between 0.55 and 1.23 SD Participants: Subjects were consecutive surviving chil- above the normative mean. Proportions of children with dren who were born either at less than 28 weeks’ gesta- developmental delay were grossly underestimated using tional age (extremely preterm) http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png JAMA Pediatrics American Medical Association

Underestimation of Developmental Delay by the New Bayley-III Scale

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Publisher
American Medical Association
Copyright
Copyright 2010 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.
ISSN
2168-6203
eISSN
2168-6211
DOI
10.1001/archpediatrics.2010.20
pmid
20368488
Publisher site
See Article on Publisher Site

Abstract

ARTICLE Underestimation of Developmental Delay by the New Bayley-III Scale Peter J. Anderson, PhD; Cinzia R. De Luca, PhD; Esther Hutchinson, DPsych; Gehan Roberts, PhD; Lex W. Doyle, MD, FRACP; and the Victorian Infant Collaborative Group Objective: To assess the ability of the third edition of Results: Follow-up rates of both cohorts were high the Bayley Scales of Infant and Toddler Development (92%). Mean values for all composite and subtest scores (Bayley-III) to detect developmental delay in 2-year-old for the extremely preterm/extremely low-birth-weight children who were extremely preterm and those carried group were significantly below those of the control group to term. (P .001), with the magnitude of all group differences being in excess of two-thirds SD. Mean values for the ex- Design: Prospective cohort study. tremely preterm/extremely low-birth-weight group ap- proached the normative mean, but in contrast, the mean Setting: The state of Victoria, Australia. values for the control group were higher than expected, with composite scores being between 0.55 and 1.23 SD Participants: Subjects were consecutive surviving chil- above the normative mean. Proportions of children with dren who were born either at less than 28 weeks’ gesta- developmental delay were grossly underestimated using tional age (extremely preterm)

Journal

JAMA PediatricsAmerican Medical Association

Published: Apr 1, 2010

References