1 citations · 1 across the 1 of their papers we have counts for
5 papers
Accounting for recall bias in case-control studies: a causal inference approach
Kwonsang Lee, Francesca Dominici
A case-control study is designed to help determine if an exposure is associated with an outcome. However, since case-control studies are retrospective, they are often subject to re…
Biased Encouragements and Heterogeneous Effects in an Instrumental Variable Study of Emergency General Surgical Outcomes
Colin B. Fogarty, Kwonsang Lee, Rachel R. Kelz +1
We investigate the efficacy of surgical versus non-surgical management for two gastrointestinal conditions, colitis and diverticulitis, using observational data. We deploy an instr…
Sensitivity analyses for average treatment effects when outcome is censored by death in instrumental variable models
Kwonsang Lee, Scott A. Lorch, Dylan S. Small
Two problems that arise in making causal inferences for non-mortality outcomes such as bronchopulmonary dysplasia (BPD) are unmeasured confounding and censoring by death, i.e., the…
Discovering Effect Modification and Randomization Inference in Air Pollution Studies
Kwonsang Lee, Dylan S. Small, Francesca Dominici
Studies have shown that exposure to air pollution, even at low levels, significantly increases mortality. As regulatory actions are becoming prohibitively expensive, robust evidenc…
Estimating the Malaria Attributable Fever Fraction Accounting for Parasites Being Killed by Fever and Measurement Error
Kwonsang Lee, Dylan S. Small
Malaria is a parasitic disease that is a major health problem in many tropical regions. The most characteristic symptom of malaria is fever. The fraction of fevers that are attribu…