Investigating female-male differences in risk factors for myocardial infarction using OHDSI tools. - Anna Ostropolets; Linying Zhang; Jami Jackson Mulgrave; George Hripcsak (AMIA, 2019)

The Medical Deconfounder: Assessing Treatment Effects with Electronic Health Records. - Linying Zhang; Yixin Wang 002; Anna Ostropolets; Jami J. Mulgrave; David M. Blei; George Hripcsak (MLHC, 2019)

The Medical Deconfounder: Assessing Treatment Effect with Electronic Health Records (EHRs). - Linying Zhang; Yixin Wang 002; Anna Ostropolets; Jami J. Mulgrave; David M. Blei; George Hripcsak (CoRR, 2019)

Evaluation of Large-scale Propensity Score Modeling and Covariate Balance on Potential Unmeasured Confounding in Observational Research. - Ruijun Chen; Martijn J. Schuemie; Marc A. Suchard; Anna Ostropolets; Linying Zhang; Patrick B. Ryan; George Hripcsak (AMIA, 2020)

Characterizing database granularity using SNOMED-CT hierarchy. - Anna Ostropolets; Christian G. Reich; Patrick B. Ryan; Chunhua Weng; Anthony Molinaro; Frank J. DeFalco; Jitendra Jonnagaddala; Siaw-Teng Liaw; Hokyun Jeon; Rae Woong Park; Matthew E. Spotnitz; Karthik Natarajan; et al. (AMIA, 2020)

Phenotype Concept Set Construction from Concept Pair Likelihoods. - Victor Alfonso Rodriguez; Tony Sun; Phyllis Thangaraj; Chao Pang; Krishna Kalluri; Xinzhuo Jiang; Karthik Natarajan; Patrick B. Ryan; Anna Ostropolets; Ruijun Chen (AMIA, 2020)

The Multi-Outcome Medical Deconfounder: Assessing Treatment Effect on Multiple Renal Measures. - Linying Zhang; Yixin Wang 002; Anna Ostropolets; Ruijun Chen; David M. Blei; George Hripcsak (AMIA, 2020)

A scoping review of clinical decision support tools that generate new knowledge to support decision making in real time. - Anna Ostropolets; Linying Zhang; George Hripcsak (J. Am. Medical Informatics Assoc., 2020)

Adapting electronic health records-derived phenotypes to claims data: Lessons learned in using limited clinical data for phenotyping. - Anna Ostropolets; Christian G. Reich; Patrick B. Ryan; Ning Shang; George Hripcsak; Chunhua Weng (J. Biomed. Informatics, 2020)

PHenotype Observed Entity Baseline Endorsements (PHOEBE) - recommender system for concept selection in phenotype algorithm development. - Anna Ostropolets; Patrick B. Ryan; George Hripcsak (AMIA, 2021)

Potential Role of Clinical Trial Eligibility Criteria in Electronic Phenotyping. - Zhehuan Chen; Hao Liu 054; Alex M. Butler; Anna Ostropolets; Chunhua Weng (MIE, 2021)

Towards clinical data-driven eligibility criteria optimization for interventional COVID-19 clinical trials. - Jae Hyun Kim; Casey N. Ta; Cong Liu 020; Cynthia Sung 002; Alex M. Butler; Latoya A. Stewart; Lyudmila Ena; James R. Rogers; Junghwan Lee; Anna Ostropolets; Patrick B. Ryan; Hao Liu 054; et al. (J. Am. Medical Informatics Assoc., 2021)

Data Consult Service: Can we use observational data to address immediate clinical needs? - Anna Ostropolets; Philip Zachariah; Patrick B. Ryan; Ruijun Chen; George Hripcsak (J. Am. Medical Informatics Assoc., 2021)

Phenotyping in distributed data networks: selecting the right codes for the right patients. - Anna Ostropolets; Patrick B. Ryan; George Hripcsak (AMIA, 2022)

Ontologizing Health Systems Data at Scale: Making Translational Discovery a Reality. - Tiffany J. Callahan; Adrianne L. Stefanski; Jordan M. Wyrwa; Chenjie Zeng; Anna Ostropolets; Juan M. Banda; William A. Baumgartner Jr.; Richard D. Boyce; Elena Casiraghi; Ben D. Coleman; Janine H. Collins; Sara J. Deakyne Davies; et al. (CoRR, 2022)

A Bayesian Causal Inference Approach for Assessing Fairness in Clinical Decision-Making. - Linying Zhang; Lauren R. Richter; Yixin Wang 002; Anna Ostropolets; Noemie Elhadad; David M. Blei; George Hripcsak (CoRR, 2022)

What are the Desired Characteristics of Calibration Sets? Identifying Correlates on Long Form Scientific Summarization. - Griffin Adams; Bichlien Nguyen; Jake Smith; Yingce Xia; Shufang Xie 003; Anna Ostropolets; Budhaditya Deb; Yuan-Jyue Chen; Tristan Naumann; Noémie Elhadad (ACL (1), 2023)

A High-Fidelity Combined ATC-Rxnorm Drug Hierarchy for Large-Scale Observational Research. - Anna Ostropolets; Polina Talapova; Marcel de Wilde; Hamed Abedtash; Peter R. Rijnbeek; Christian G. Reich (MedInfo, 2023)

Ontologizing health systems data at scale: making translational discovery a reality. - Tiffany J. Callahan; Adrianne L. Stefanski; Jordan M. Wyrwa; Chenjie Zeng; Anna Ostropolets; Juan M. Banda; William A. Baumgartner Jr.; Richard D. Boyce; Elena Casiraghi; Ben D. Coleman; Janine H. Collins; Sara J. Deakyne Davies; et al. (npj Digit. Medicine, 2023)

A deep learning-based electrocardiogram risk score for long term cardiovascular death and disease. - J. Weston Hughes; James E. Tooley; Jessica Torres Soto; Anna Ostropolets; Tim Poterucha; Matthew Christensen; Neal Yuan; Ben Ehlert; Dhamanpreet Kaur; Guson Kang; Albert J. Rogers; Sanjiv M. Narayan; et al. (npj Digit. Medicine, 2023)

Reproducible variability: assessing investigator discordance across 9 research teams attempting to reproduce the same observational study. - Anna Ostropolets; Yasser Albogami; Mitchell Conover; Juan M. Banda; William A. Baumgartner Jr.; Clair Blacketer; Priyamvada Desai; Scott L. DuVall; Stephen P. Fortin; James P. Gilbert; Asieh Golozar; Joshua Ide; et al. (J. Am. Medical Informatics Assoc., 2023)

Scalable and interpretable alternative to chart review for phenotype evaluation using standardized structured data from electronic health records. - Anna Ostropolets; George Hripcsak; Syed A Husain; Lauren R. Richter; Matthew E. Spotnitz; Ahmed Elhussein; Patrick B. Ryan (J. Am. Medical Informatics Assoc., 2023)

Causal fairness assessment of treatment allocation with electronic health records. - Linying Zhang; Lauren R. Richter; Yixin Wang 002; Anna Ostropolets; Noémie Elhadad; David M. Blei; George Hripcsak (J. Biomed. Informatics, 2024)

OHDSI Standardized Vocabularies - a large-scale centralized reference ontology for international data harmonization. - Christian G. Reich; Anna Ostropolets; Patrick B. Ryan; Peter R. Rijnbeek; Martijn J. Schuemie; Alexander Davydov; Dmitry Dymshyts; George Hripcsak (J. Am. Medical Informatics Assoc., 2024)

Standardized patient profile review using large language models for case adjudication in observational research. - Martijn J. Schuemie; Anna Ostropolets; Aleh Zhuk; Uladzislau Korsik; Seung In Seo; Marc A. Suchard; George Hripcsak; Patrick B. Ryan (npj Digit. Medicine, 2025)