Title | Do currently recommended Bayley-III cutoffs overestimate motor impairment in infants born <27 weeks gestation? |
Publication Type | Journal Article |
Year of Publication | 2015 |
Authors | Duncan AF, Bann C, Boatman C, Hintz SR, Vaucher YE, Vohr BR, Yolton K, Heyne RJ |
Corporate Authors | Eunice Kennedy Shriver National Institute of Child Health and Human Development Neonatal Research Network |
Journal | J Perinatol |
Volume | 35 |
Issue | 7 |
Pagination | 516-21 |
Date Published | 2015 Jul |
ISSN | 1476-5543 |
Keywords | Child Development, Female, Gestational Age, Humans, Infant, Extremely Premature, Infant, Newborn, Male, Motor Skills Disorders, Neuropsychological Tests, Predictive Value of Tests, Retrospective Studies, Sensitivity and Specificity |
Abstract | OBJECTIVE: To determine whether a Bayley-III motor composite score of 85 may overestimate moderate-severe motor impairment by analyzing Bayley-III motor components and developing cut-point scores for each. STUDY DESIGN: Retrospective study of 1183 children born <27 weeks gestation at NICHD Neonatal Research Network centers and evaluated at 18-22 months corrected age. Gross Motor Function Classification System determined gross motor impairment. Statistical analyses included linear and logistic regression and sensitivity/specificity. RESULTS: Bayley-III motor composite scores were strong indicators of gross/fine motor impairment. A motor composite cut-point of 73 markedly improved the specificity for identifying gross and/or fine motor impairment (94% compared with a specificity of 76% for the proposed new cut-point of 85). A Fine Motor Scaled Score <3 differentiated mild from moderate-severe fine motor impairment. CONCLUSIONS: This study indicates that a Bayley-III motor composite score of 85 may overestimate impairment. Further studies are needed employing term controls and longer follow-up. |
DOI | 10.1038/jp.2014.243 |
Alternate Journal | J Perinatol |
PubMed ID | 25634519 |
PubMed Central ID | PMC4531094 |
Grant List | U10 HD021385 / HD / NICHD NIH HHS / United States U10 HD053124 / HD / NICHD NIH HHS / United States U10 HD053119 / HD / NICHD NIH HHS / United States U10 HD021364 / HD / NICHD NIH HHS / United States UG1 HD087229 / HD / NICHD NIH HHS / United States UG1 HD053089 / HD / NICHD NIH HHS / United States U10 HD040461 / HD / NICHD NIH HHS / United States UG1 HD034216 / HD / NICHD NIH HHS / United States U10 HD027871 / HD / NICHD NIH HHS / United States U10 HD027851 / HD / NICHD NIH HHS / United States UG1 HD021364 / HD / NICHD NIH HHS / United States UG1 HD027880 / HD / NICHD NIH HHS / United States UG1 HD053109 / HD / NICHD NIH HHS / United States UG1 HD068278 / HD / NICHD NIH HHS / United States U10 HD053089 / HD / NICHD NIH HHS / United States U10 HD027856 / HD / NICHD NIH HHS / United States U10 HD021373 / HD / NICHD NIH HHS / United States U10 HD027880 / HD / NICHD NIH HHS / United States U10 HD053109 / HD / NICHD NIH HHS / United States U10 HD040689 / HD / NICHD NIH HHS / United States U10 HD040492 / HD / NICHD NIH HHS / United States U10 HD027853 / HD / NICHD NIH HHS / United States U10 HD027904 / HD / NICHD NIH HHS / United States U10 HD034216 / HD / NICHD NIH HHS / United States U10 HD036790 / HD / NICHD NIH HHS / United States |