In the article that accompanies this editorial, Lu et al 5 conducted a systematic review on the use of instrumental variable (IV) methods in oncology comparative effectiveness research. The main ...
Recent researches in econometrics and statistics have gained considerable insights into the use of instrumental variables (IVs) for causal inference. A basic idea is that IVs serve as an experimental ...
This is a preview. Log in through your library . Abstract Instrumental variables (IVs) are useful for estimating causal effects in the presence of unmeasured confounding. IV methods are well developed ...
Two different methodological approaches — instrumental variable and co-relative analysis —implemented in a large sample of Swedish participants followed for an average of 19 years, indicated a causal ...
Causal Inference in Oncology Comparative Effectiveness Research Using Observational Data: Are Instrumental Variables Underutilized? The following represents disclosure information provided by authors ...