ArticleJournal of the American Medical Informatics Association : JAMIA2026
Derivation and validation of an algorithm for maternal-child linkage in electronic health records.
Article in Journal of the American Medical Informatics Association : JAMIA, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionWe created a probabilistic maternal-child electronic health record (EHR) linkage algorithm to promote clinical research in maternal-child health.
methodsWe used EHR data from 1994 to 2024 to create an XGBoost model to predict maternal-child linkages. The model used standard EHR elements as predictor variables, including first name, last name, birthdate, address, phone number, email, and an EHR-embedded maternal-child indicator as the deterministic outcome.
resultsFrom 82 million unique records, 6.2 billion potential pairs met blocking criteria. Of the potential pairs, 33 364 674 contained the deterministic indicator and were used as cases, and an equal number of controls were randomly sampled. The final model obtained an accuracy of 92%, a precision of 98%, a recall of 87%, and an F1-score of 92%.
conclusionWe derived and validated a probabilistic maternal-child linkage algorithm using routinely collected EHR data elements that could benefit future observational research in maternal-child health.
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