Overview
Developing methods for assessing, comparing, and validating statistical models of short and long term outcomes.
Developing and testing methods for evaluating comparative effectiveness in observational data.
Developing and testing methods for evaluating comparative effectiveness in observational data.
Current Appointments & Affiliations
Professor Emeritus of Biostatistics & Bioinformatics
·
2020 - Present
Biostatistics & Bioinformatics, Division of Biostatistics,
Biostatistics & Bioinformatics
Recent Publications
Empirical use of causal inference methods to evaluate survival differences in a real-world registry vs those found in randomized clinical trials.
Journal Article Stat Med · September 30, 2020 With heighted interest in causal inference based on real-world evidence, this empirical study sought to understand differences between the results of observational analyses and long-term randomized clinical trials. We hypothesized that patients deemed "eli ... Full text Link to item CiteI-CARE randomized clinical trial integrating depression and acute coronary syndrome care in low-resource hospitals in China: Design and rationale.
Journal Article Am Heart J · August 2018 Depression and acute coronary syndromes (ACS) are both common public health challenges. Patients with ACS often develop depression, which in turn adversely affects prognosis. Low-cost, sustainable, and effective service models that integrate depression car ... Full text Link to item CiteAn evaluation of constrained randomization for the design and analysis of group-randomized trials with binary outcomes.
Journal Article Stat Med · October 30, 2017 Group-randomized trials are randomized studies that allocate intact groups of individuals to different comparison arms. A frequent practical limitation to adopting such research designs is that only a limited number of groups may be available, and therefor ... Full text Link to item CiteRecent Grants
Putting Patients at the Center of Kidney Care Transitions
ResearchCo Investigator · Awarded by Patient-Centered Outcomes Research Institute · 2016 - 2023NIH Health Care Systems Research Collaboratory - Coordinating Center
ResearchCo Investigator · Awarded by National Institutes of Health · 2017 - 2022IPA - Andrzej Kosinski
ResearchPrincipal Investigator · Awarded by Durham Veterans Affairs Medical Center · 2017 - 2021View All Grants
Education, Training & Certifications
University of North Carolina, Chapel Hill ·
1979
Ph.D.