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Introduction <p>Early infant diagnosis of human immunodeficiency virus is essential for timely intervention and treatment of exposed infants. Traditional diagnostic approaches often face logistical and cost-related challenges, leading to delayed results and reduced healthcare efficiency. Machine learning provides a promising alternative, enabling earlier identification of at-risk infants and more efficient allocation of healthcare resources.</p> Methods <p>A cross-sectional study was conducted using early infant diagnosis data from the Amhara Public Health Institute, comprising 12,129 records with 12 features. Machine learning algorithms, including Decision Tree, Random Forest, Gradient Boosting Model, Logistic Regression, and Support Vector Machine, were trained and evaluated using Accuracy, Precision, Recall, F1-score, and Area Under the Curve (AUC). The Synthetic Minority Over-Sampling Technique was applied to address class imbalance.</p> Results <p>The Gradient Boosting Model achieved the highest predictive performance with an AUC of 99.99%, followed by the Support Vector Machine with an AUC of 96.58%. Random Forest demonstrated the lowest performance with an AUC of 90.86%, highlighting its limitations in handling imbalanced datasets.</p> Conclusion <p>Ensemble-based models, particularly the Gradient Boosting Model and the Support Vector Machine, significantly enhance the accuracy of HIV early infant diagnosis predictions among exposed infants. These models are therefore recommended as reliable tools for reducing both missed diagnoses and false-positive results in clinical practice.</p>

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Predicting early infant diagnosis (EID) results for HIV exposed infants in a resource-limited setting using machine learning models: evidence from Amhara Public Health Institute data (2024/2025)

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  • 出版模式：

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  • 发表日期：

    2026年1月6日

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  • Zelalem Yitayal Melese,
  • Mitiku Kassaw Takilo,
  • Abraham Keffale Mengistu,
  • Aynadis Worku Shimie,
  • Gizaw Hailiye Teferi,
  • Ashagrie Anteneh,
  • Wubete Lule Ayalew,
  • Sefefe Birhanu Tizie,
  • Muluken Belachew Mengistie

摘要

Introduction

Early infant diagnosis of human immunodeficiency virus is essential for timely intervention and treatment of exposed infants. Traditional diagnostic approaches often face logistical and cost-related challenges, leading to delayed results and reduced healthcare efficiency. Machine learning provides a promising alternative, enabling earlier identification of at-risk infants and more efficient allocation of healthcare resources.

Methods

A cross-sectional study was conducted using early infant diagnosis data from the Amhara Public Health Institute, comprising 12,129 records with 12 features. Machine learning algorithms, including Decision Tree, Random Forest, Gradient Boosting Model, Logistic Regression, and Support Vector Machine, were trained and evaluated using Accuracy, Precision, Recall, F1-score, and Area Under the Curve (AUC). The Synthetic Minority Over-Sampling Technique was applied to address class imbalance.

Results

The Gradient Boosting Model achieved the highest predictive performance with an AUC of 99.99%, followed by the Support Vector Machine with an AUC of 96.58%. Random Forest demonstrated the lowest performance with an AUC of 90.86%, highlighting its limitations in handling imbalanced datasets.

Conclusion

Ensemble-based models, particularly the Gradient Boosting Model and the Support Vector Machine, significantly enhance the accuracy of HIV early infant diagnosis predictions among exposed infants. These models are therefore recommended as reliable tools for reducing both missed diagnoses and false-positive results in clinical practice.