Dazheng Zhang

11 papers Journal 11
YearRankTypeTitle / Venue / Authors
2026 J jnl
A lossless one-shot distributed algorithm for addressing heterogeneity in multi-site generalized linear models.
J. Am. Medical Informatics Assoc.
Bingyu Zhang, Qiong Wu, Jenna Marie Reps, Lu Li, Jiayi Tong, Yiwen Lu, Dazheng Zhang, Juan Manuel Ramírez-Anguita, Jiang Bian, Milou T. Brand, Thomas Falconer, Miguel A. Mayer, Ross D. Williams, Yong Chen
2026 J jnl
Small Agent Group is the Future of Digital Health.
CoRR
Yuqiao Meng, Luoxi Tang, Dazheng Zhang, Rafael Brens, Elvys J. Romero, Nancy Guo, Safa Elkefi, Zhaohan Xi
2025 J jnl
A communication-efficient federated learning algorithm to assess racial disparities in post-transplantation survival time.
J. Am. Medical Informatics Assoc.
Yudong Wang, Dazheng Zhang, Jiayi Tong, Xing He, Liang Li, Lichao Sun, Ashutosh M. Shukla, Jiang Bian, David A. Asch, Yong Chen
2025 J jnl
COLA-GLM: collaborative one-shot and lossless algorithms of generalized linear models for decentralized observational healthcare data.
npj Digit. Medicine
Qiong Wu, Jenna Marie Reps, Lu Li, Bingyu Zhang, Yiwen Lu, Jiayi Tong, Dazheng Zhang, Thomas Lumley, Milou T. Brand, Mui Van Zandt, Thomas Falconer, Xing He, Yu Huang, Haoyang Li, Chao Yan, Guojun Tang, Andrew E. Williams, Fei Wang, Jiang Bian, Bradley A. Malin, George Hripcsak, Martijn J. Schuemie, Yun Lu, Steve Drew, Jiayu Zhou, David A. Asch, Yong Chen
2025 J jnl
Empowering Clinical Trial Design through AI: A Randomized Evaluation of PowerGPT.
CoRR
Yiwen Lu, Lu Li, Dazheng Zhang, Xinyao Jian, Tingyin Wang, Siqi Chen, Yuqing Lei, Jiayi Tong, Zhaohan Xi, Haitao Chu, Chongliang Luo, Alexis Ogdie, Brian Athey, Alparslan Turan, Michael Abramoff, Joseph C. Cappelleri, Hua Xu, Yun Lu, Jesse A. Berlin, Daniel I. Sessler, David A. Asch, Xiaoqian Jiang, Yong Chen
2025 J jnl
Leveraging undecided cases in chart-reviewed phenotypes to enhance EHR-based association studies.
J. Biomed. Informatics
Xinyao Jian, Dazheng Zhang, Zehao Yu, Hua Xu, Jiang Bian, Yonghui Wu, Jiayi Tong, Yong Chen
2025 J jnl
Negative control-calibrated difference-in-difference analyses: addressing unmeasured confounding in RWD with application to racial/ethnic differences.
npj Digit. Medicine
Dazheng Zhang, Bingyu Zhang, Huiyuan Wang, Yiwen Lu, Charles J. Wolock, Wenjie Hu, Linbo Wang, George Hripcsak, Yong Chen
2024 J jnl
Evaluating site-of-care-related racial disparities in kidney graft failure using a novel federated learning framework.
J. Am. Medical Informatics Assoc.
Jiayi Tong, Yishan Shen, Alice Xu, Xing He, Chongliang Luo, Mackenzie J. Edmondson, Dazheng Zhang, Yiwen Lu, Chao Yan, Ruowang Li, Lianne Siegel, Lichao Sun, Elizabeth A. Shenkman, Sally C. Morton, Bradley A. Malin, Jiang Bian, David A. Asch, Yong Chen
2024 J jnl
Learning competing risks across multiple hospitals: one-shot distributed algorithms.
J. Am. Medical Informatics Assoc.
Dazheng Zhang, Jiayi Tong, Naimin Jing, Yuchen Yang, Chongliang Luo, Yiwen Lu, Dimitri A. Christakis, Diana Güthe, Mady Hornig, Kelly J. Kelleher, Keith E. Morse, Colin M. Rogerson, Jasmin Divers, Raymond J. Carroll, Christopher B. Forrest, Yong Chen
2024 J jnl
One-shot distributed algorithms for addressing heterogeneity in competing risks data across clinical sites.
J. Biomed. Informatics
Dazheng Zhang, Jiayi Tong, Ronen Stein, Yiwen Lu, Naimin Jing, Yuchen Yang, Mary Regina Boland, Chongliang Luo, Robert N. Baldassano, Raymond J. Carroll, Christopher B. Forrest, Yong Chen
2023 J jnl
Predicting the Risk of Alzheimer's Disease and Related Dementia in Patients with Mild Cognitive Impairment Using a Semi-Competing Risk Approach.
Informatics
Zhaoyi Chen, Yuchen Yang, Dazheng Zhang, Jingchuan Guo, Yi Guo, Xia Hu, Yong Chen, Jiang Bian