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Neonatal Med > Volume 17(2); 2010 > Article
Journal of the Korean Society of Neonatology 2010;17(2):217-223.
DOI: https://doi.org/10.5385/jksn.2010.17.2.217    Published online November 15, 2010.
A Validity Study of the Korean Ages and Stages Questionnaires: Screening for Developmental Delay in Preterm Infant.
Yoon Joo Kim, Ju Young Lee, Jin A Sohn, Eun Hee Lee, Jin A Lee, Chang Won Choi, Ee Kyung Kim, Han Suk Kim, Byeong Il Kim, Jung Hwan Choi
Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea. kimek@snu.ac.kr
Abstract
PURPOSE
To evaluate the validity of the Korean Ages and Stages Questionnaire (K-ASQ) in premature infants.
METHODS
Infants with a gestational age of less than 37 weeks were assessed with K-ASQ and Bayley Scales of Infant Development-III (BSID-III) at the outpatient clinic of Seoul National University Children's Hospital between October 30, 2006 and August 1, 2010. Less than 1 standard deviation of the ASQ was defined as positive, and the results were compared with those of BSID-III.
RESULTS
The mean gestational age of subjects in the study group was 28+/-2.87 weeks (median, 28.43 weeks; range, 23.57-35.86 weeks), and the mean birth weight was 1,027+/-363 g (median, 950 g; range, 480-2,870 g). The sensitivity of K-ASQ at 8 month was 0.2, and the specificity was 0.93. The sensitivity of K-ASQ at 18 months was 0.72, and the specificity was 0.94. The validity of each of the 4 matched subunits was separately compared, and it also had a high specificity and a low sensitivity. In addition, K-ASQ showed a higher sensitivity at 18 months than at 8 months.
CONCLUSION
ASQ was developed to screen the general population, and its specificity has been powered. The specificity was also proven in our study. The results of this study suggest that although screening use of K-ASQ in preterm infants may have some limitations, the specificities at 8 and 18 months can be clinically implicated. Further studies are needed to confirm our results.
Key Words: Ages and questionnaire, Preterm, Developmental delay
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