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Journal of the Korean Child Neurology Society 1997;5(1):111-118.
Published online October 30, 1997.
Accuracy of Denver II in Developmental Delay Screening.
Min Cheol Jeon, Young Hoon Kim, Seung Yun Chung, In Goo Lee, Jong Wan Kim, Kung Tai Whang
: Developmental screening tests are in widespread use, but few reliable and valid tests are available. One of the oldest and best known developmental screening test was recently restandardized and revised as Denver II. Because the Denver II was published without evidence of its accuracy in developmental screening, we evaluate its accuracy in chidren with developmental delay to see whether it can be used on Korean children. METHODS : The Denver II was translated and was administered to 244 children attending the child development clinic in Kangnam St. Mary's Hospital to evaluated motor delay(Group I, n=68), language delay(Group II, n=84) or other problem(Group III, n=92). RESULTS : 1) The ratio of male to female and the mean age of the subject were 2.4:1 and 25.1 months overall, 1.6:1 and 11.8 months in Group I, 4.6:1 and 35.6 months in Group II, and 1.3:1 and 25.4 months in Group III. 2) The distribution of results(abnormal, normal and questionable) were 76%, 13% and 10% in Group I, 76%, 10% and 14% in Group II, and 38%, 53% and 9% in Group III. 3) The neurologic problems were determined 75%(cerebral palsy, central hypotonia, infantile spasm, myopathy etc.) in Group I, 74%(mental retardation, developmental language disorder, epilepsy, cerebral palsy etc.) Group II and 39%(mental retardation, epilepsy, cerebral palsy etc.) in Group III. 4) The sensitivity and the specificity of Denver II were 0.88 and 0.41 in Group 1, 0.90 and 0.27 in Group II, 0.81 and 0.77 in Group III, and 0.85 and 0.59 overall. CONCLUSION: Although the Denver II in identifying children at risk for developmental delay has a excellent sensitivity, it has a poor specificity, especially in identifying children at risk for language delay. These results demonstrate that the Denver fail to reliably identify children in need of developmental delay evaluation. So the Denver II should be standardized and modified to be used on Korean children with developmental delay.


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