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Ann Rehabil Med. 2017 Oct;41(5):851-857. doi: 10.5535/arm.2017.41.5.851. Epub 2017 Oct 31.

The Validity of the Bayley-III and DDST-II in Preterm Infants With Neurodevelopmental Impairment: A Pilot Study.

Author information

1
Department of Physical Medicine and Rehabilitation, Kosin University College of Medicine, Busan, Korea.
2
Department of Pediatrics, Kosin University College of Medicine, Busan, Korea.

Abstract

Objective:

To identify the usefulness of both the Bayley Scales of Infant and Toddler Development, 3rd edition (Bayley-III) and Denver Developmental Screening Test II (DDST-II) in preterm babies with neurodevelopmental impairment, considering the detection rate as regulation of criteria.

Methods:

Retrospective medical chart reviews which included the Bayley-III and DDST-II, were conducted for 69 preterm babies. Detection rate of neurodevelopmental impairment in preterm babies were investigated by modulating scaled score of the Bayley-III. The detection rate of DDST-II was identified by regarding more than 1 caution as an abnormality. Then detection rates of each corrected age group were verified using conventional criteria.

Results:

When applying conventional criteria, 22 infants and 35 infants were detected as preterm babies with neurodevelopmental impairment, as per the Bayley-III and DDST-II evaluation, respectively. Detection rates increased by applying abnormal criteria that specified as less than 11 points in the Bayley-III scaled score. In DDST-II, detection rates rose from 50% to 68.6% using modified criteria. The detection rates were highest when performed after 12 months corrected age, being 100% in DDST II. The detection rate also increased when applying the modified criteria in both the Bayley-III and DDST-II.

Conclusion:

Accurate neurologic examination is more important for detection of preterm babies with neurodevelopmental impairment. We suggest further studies for the accurate modification of the detection criteria in DDST-II and the Bayley-III for preterm babies.

KEYWORDS:

Developmental disabilities; Premature birth; infant

Conflict of interest statement

CONFLICT OF INTEREST: No potential conflict of interest relevant to this article was reported.

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