2 papers
stat.ME2025
Identification and estimation of vaccine effectiveness in the test-negative design under equi-confounding
Christopher B. Boyer, Kendrick Qijun Li, Xu Shi +1
The test-negative design (TND) is widely used to evaluate vaccine effectiveness in real-world settings. In a TND study, individuals with similar symptoms who seek care are tested,…
stat.ME2024
Regression-based proximal causal inference for right-censored time-to-event data
Kendrick Li, George C. Linderman, Xu Shi +1
Unmeasured confounding is one of the major concerns in causal inference from observational data. Proximal causal inference (PCI) is an emerging methodological framework to detect a…