Original ArticleRelationship between Test Scores Using the Second and Third Editions of the Bayley Scales in Extremely Preterm Children
Section snippets
Method
As part of a national study of babies born at ≤26 completed weeks of gestation in England during 2006 (EPICure-2), we identified children with English as a first language at home, without neurosensory disability (blindness, deafness, nonambulant cerebral palsy), who were assessed by 1 of 3 clinicians trained in the simultaneous use of both editions of the test.
Developmental assessment using our combined assessment was attempted in 225 subjects. Forty (18%) children were considered by the
Results
The participants had a mean average extrapolated CB-III score of 99.5 (SD 15.7); this was somewhat higher than in the remainder of the participants who attempted the Bayley-III tests (96.1) and was expected because of the requirement for the child to be able to concentrate for the extended period of time and exclusions.
Discussion
CB-III scores were on average 7 points higher than comparable MDI values from the second edition acquired concurrently in this sample of 185 children with adjusted ages between 29 and 41 months and mean 99.5 and SD 15.7. These results are consistent with the validity study reported by the publishers of the Bayley-III, in which 102 children aged 1-42 months were tested using both the second and third editions,12 and mean Bayley-III cognitive and language scores were observed to be 7 points
References (23)
- et al.
Developmental screen or developmental testing?
Early Hum Dev
(2006) Bayley Scales of Infant Development
(1969)Manual for the Bayley scales of infant development
(1993)- et al.
Neurologic and developmental disability after extremely preterm birth. EPICure Study Group
N Engl J Med
(2000) Bayley scales of infant and toddler development
(2006)- Vohr B, Stephens BE, Higgins RD, Hintz SR, Bann CM, editors. The impact of Bayley III assessment: are outcomes of ELBW...
- et al.
Underestimation of developmental delay by the new Bayley-III scale
Arch Pediatr Adolesc Med
(2010) Classification of health status at 2 years as a perinatal outcome
(2008)- Downward extended composite normative data from the Bayley Scales of Infant & Toddler Development (Bayley-III®)....
- et al.
Statistical methods for assessing agreement between two methods of clinical measurement
Lancet
(1986)
Regression using fractional polynomials of continuous covariates: parsimonious parametric modelling
J R Stat Soc Ser C Appl Stat
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This research was funded by the Medical Research Council (MRC), London, UK. N.M. receives a proportion of funding from the Department of Health's NIHR Biomedical Research Centres funding scheme at UCLH/UCL. The authors declare no conflicts of interest.