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Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
Published on: August 25, 2014
Prediction of Language Development in Neonates Born at Less than 32 Weeks of Gestation
Nadine Pointner1, Daniel Savran2, Johannes Mader3
1Division of Neonatology, Intensive Care Medicine and Neuropediatrics, Department of Pediatrics and Adolescent Medicine, Comprehensive Center for Pediatrics, Medical University of Vienna, Vienna, Austria.
Insights
Multilingualism and lower maternal education are key predictors of language development issues in preterm infants. Early identification of these risk factors can guide tailored support for children born before 32 weeks gestation.
Area of Science:
- Neonatal care and developmental pediatrics.
- Computational linguistics and machine learning in healthcare.
Background:
- Preterm birth (< 32 weeks gestation) poses risks for neurodevelopmental outcomes, including language.
- Early identification of risk factors is crucial for timely intervention in preterm infants.
Purpose of the Study:
- To identify neonatal risk factors for language development at age 3 in very preterm infants.
- To assess the predictive power of these factors using advanced analytical methods.
Main Methods:
- Retrospective analysis of hospital and assessment data from infants born < 32 weeks gestation (2012-2020).
- Utilized Gradient Boost Decision Trees and SHapely Additive exPlanations (SHAP) values to analyze predictors.
- Included children with follow-ups, German-speaking parents, and normal hearing.
Main Results:
- Multilingualism (mean|SHAP|=3.93), lower maternal education (mean|SHAP|=2.51), and reduced birth weight (mean|SHAP|=1.92) were significant predictors.
- Shorter gestational age, intraventricular hemorrhage, necrotizing enterocolitis, and retinopathy of prematurity also predicted language outcomes.
- SHAP values quantified the additive impact of these diverse risk factors.
Conclusions:
- SHAP-based analysis effectively identified neonatal and sociodemographic predictors of language impairment in preterm children.
- Findings support tailored monitoring and early language support strategies for this vulnerable population.
- Further validation in diverse cohorts is recommended.
Objective:
To evaluate neonatal risk factors and the predictive value of prior assessments for language development at age 3 in toddlers born before 32 weeks of gestation.
Study Design:
Data were acquired retrospectively from infants' hospitalizations (level 3 perinatal center, Medical University of Vienna) and annual assessments (Bayley Scales of Infant and Toddler Development). We included children born in 2012-2020 at < 32 weeks of gestation, with annual follow-ups, at least one German-speaking parent, and unimpaired hearing. Predictors of 3-year language development were analyzed using Gradient Boost Decision Trees and interpreted through SHapely Additive exPlanations (SHAP) values.
Results:
The cohort comprised 476 children (202 [42.4%] females; mean [standard deviation] gestational age, 27.4 [2.0] weeks). Risk factors were multilingualism (mean|SHAP| = 3.93, P ≤ .001), lower maternal education (mean|SHAP| = 2.51, P ≤ .001), reduced birth weight (mean|SHAP| = 1.92, P = .003), shorter gestational age (mean|SHAP| = 1.64, P = .009), grade of intraventricular hemorrhage in the left hemisphere (mean|SHAP| = 1.07, P = .005), severe intraventricular hemorrhage (mean|SHAP| = 0.80, P = .011, surgical necrotizing enterocolitis (mean|SHAP| = 0.80, P = .018), and surgical retinopathy of prematurity (mean|SHAP| = 0.59, P = .045).
Conclusions:
The identification of SHAP values allowed us to evaluate the additive effect of neonatal and sociodemographic risk factors predicting language impairments in this cohort of children born preterm. Replication in other cohorts will be important, but SHAP-based analyses may be useful for tailored monitoring and implementation of early language support.
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