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PHS Biostatistics and Bioinformatics Seminar by Dr. Yong Chen

September 27, 12:00 pm to 1:00 pm

Join the PHS Seminar Series presentation on Wednesday, September 27th, at Noon to hear Dr. Yong Chen, PhD, present his research in the areas of Biostatistics and Bioinformatics.

Speaker: Dr. Yong Chen, PhD, Professor, University of Pennsylvania

Seminar Title: Privacy-preserving Distributed Algorithms and statistical inference in the era of real-world data networks

Location: ASB 2200G

With the increasing availability of electronic health records (EHR) data, it is important to effectively integrate evidence from multiple data sources to enable reproducible scientific discovery. However, we are still facing practical challenges in data integration, such as protection of data privacy, the high dimensionality of features, and heterogeneity across different datasets. Aim to facilitate efficient multi-institutional data analysis without sharing individual patient data (IPD), we developed a toolbox of Privacy-preserving Distributed Algorithms (PDA) that conduct distributed learning and inference for various models, such as logistic regression, Cox model, Poisson model, high-dimensional penalized regression, mixed effects models, mixture models, and beyond. Our algorithms do not require iterative communication across sites and are able to account for heterogeneity across different hospitals. In addition, PDA outperforms meta-analysis methods in many settings such as pharmacovigilance applications.  The validity and efficiency of PDA are also demonstrated with real-world use cases in Observational Health Data Sciences and Informatics (OHDSI), PCORnets including PEDSnet and OneFlorida, and Penn Medicine Biobank (PMBB).


September 27
12:00 pm to 1:00 pm
Event Category:


Academic Support Building (ASB) Room 2200G
90 Hope Drive
Hershey, PA 17033 United States
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Department of Public Health Sciences
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