The aim of this research therefore was to streamline the understanding of typical causal structures in both randomized and nonrandomized clinical trials in oncology, presenting concise guidelines for ...
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 ...
When the causal relationship between X and Y is specified by a structural equation, the average causal effect of X on Y is the population average rate of change of Y with respect to changes in X, when ...
Our foray into causal analysis is not yet complete. Until we define the methods of causal inference, we can't get to the deeper insights that causal analysis can provide. This article details many of ...
Instrumental variables regression analysis indicated that inpatient oral nutritional supplement use decreased length of stay, episode cost, and 30-day readmission probability. Analyses were conducted ...
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