PEDIATRICS Vol. 82 No. 4 October 1988, pp. 596-603
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Very Low Birth Weight Infants at 8 and 11 Years of Age: Role of Neonatal Illness and Family Status

Jane V. Hunt PhD1, Bruce A. B. Cooper PhD1, and William H. Tooley MD1

1 From the Department of Pediatrics and the Cardiovascular Research Institute, University of California, San Francisco

The intellectual and educational status of 108 children with very low birth weight (le1,500 g), born from 1965 to 1978, was evaluated and tested on standard tests (eight children with severe handicaps were excluded) at 8 years of age. Fifty-seven were further evaluated at 11 years of age. Six categorical outcomes were defined a priori, based on the Wechsler Intelligence Scale for Children-Revised IQ and discrepancies between Verbal and Performance scores and Bender Gestalt Test score. Proportions at 8 years of age were: 4.6% very low IQ (below 70), 13.9% low IQ (70 to 84), and, for those with IQ greater than 84, 12.0% language disability, 12.0% performance disability, 21.4% visual-motor disability, and 36.1% normal. Learning disabilities, determined by discrepancies between IQ and Wide Range Achievement Test scores, included 16.7% of all children. Outcome proportions at 11 years of age were essentially comparable to those at 8 years of age; outcome constancy was present in 52.6%. Ratings of neonatal illness and parent education level strongly influenced the likelihood of outcome at 8 years of age. When ratings were dichotomized (ie, low v high neonatal illness and low v high parent education), the level of neonatal illness primarily influenced the likelihood of normal outcome, whereas the level of parent education influenced the degree of severity of the disability.

Key Words: very low birth weight • school age • intelligence • learning disability

Submitted on August 19, 1987
Accepted on November 30, 1987




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