Related Experiment Video
Updated: Aug 21, 2026

Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
Published on: August 25, 2014
Neurological sequelae in high- and low-optimality obstetrics
Insights
Neonatal neurological exams predict outcomes, but less accurately in preterm infants. Children with low obstetrical optimality scores showed more neurological deviance at birth and 4 years.
Area of Science:
- Neonatal neurology
- Developmental pediatrics
- Obstetrics
Background:
- Obstetrical optimality score (OOS) is a measure of birth conditions.
- Neonatal neurological assessments are crucial for early detection of developmental issues.
- Predictive accuracy of neonatal exams can vary based on infant risk factors.
Purpose of the Study:
- To compare neurological outcomes at birth and 4 years of age between infants with extremely low and extremely high obstetrical optimality scores.
- To evaluate the predictive power of neonatal neurological examinations in relation to long-term neurological status.
- To investigate potential reasons for discrepancies in predictive accuracy, particularly in preterm infants.
Main Methods:
- Two groups of infants were studied: 39 with extremely low OOS and 38 with extremely high OOS.
- Neonatal neurological examinations were performed shortly after birth.
- Neurological follow-up examinations were conducted at 4 years of age.
- Comparison of neurological findings between the two groups and correlation with OOS.
Main Results:
- A higher proportion of children in the extremely low OOS group exhibited neurological deviance compared to the high OOS group, both neonatally and at 4 years.
- The predictive accuracy of the neonatal neurological examination was diminished in the low-optimality group.
- False-negative diagnoses in preterm infants may have contributed to the reduced predictive power in the low-optimality group.
Conclusions:
- Infants with extremely low obstetrical optimality scores are at higher risk for neurological deviance.
- Neonatal neurological examinations are valuable but their predictive power can be limited in high-risk populations, such as preterm infants.
- Further research is needed to refine neonatal assessment tools for improved prediction in vulnerable infant populations.
Abstract:
Neonatal neurological findings and the results of a neurological follow-up examination at 4 years of age were compared in two groups of subjects. The first group contained 39 children with an extremely low obstetrical optimality score, the second one contained 38 children with an extremely high obstetrical optimality score. More children were neurologically deviant in the first group than in the second one, both shortly after birth and at 4 years. The predictive power of the neonatal neurological examination was less in the low-optimality group, probably due to false-negative diagnoses in preterm infants.

